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(Click for frequent words.) 69 NHANES III 67 NHANES 65 Nutrition Examination Surveys NHANES 63 dietary questionnaires 62 Nutrition Examination Surveys 62 Swedish Mammography Cohort 62 Nutrition Examination Survey NHANES 61 Health Initiative Observational 61 NHANES #-# 60 Netherlands Cohort Study 60 NHAMCS 60 BRFSS 60 multiple logistic regression 60 NLSY 59 NAMCS 59 Early Childhood Longitudinal Study 58 Nutrition Examination 58 Nationwide Inpatient Sample 58 Framingham Offspring Study 58 Health Examination Survey 57 Baltimore Longitudinal Study 57 FFQ 57 retrospective cohort 57 Medical Expenditure Panel 57 actigraphy 57 logistic regression model 57 conditional logistic regression 56 semistructured interviews 56 covariate 56 Poisson regression 56 Wisconsin Sleep Cohort 56 Longitudinal Alcohol Epidemiologic 56 Ambulatory Medical 56 metaanalysis 56 logistic regression analyzes 56 SEER registry 55 Multiple logistic regression 55 logistic regression models 55 NSDUH 55 CAMMS# 55 GYTS 55 TAXUS ARRIVE 55 Multivariate logistic regression 55 sociodemographic 55 Interview Survey 55 bivariate analyzes 55 Nutrition Examination Survey 55 meta regression 55 abnormal cytology 55 CARDIA 55 MADIT CRT trial 55 Dr. Sara Forhan 55 CARDIA study 55 Univariate 55 microalbumin 54 Dietary intake 54 Nutritional Examination Survey 54 randomized controlled trials RCTs 54 lipoprotein profile 54 overnight polysomnography 54 Descriptive statistics 54 HealthGrades analyzed 54 Household Expenditure Survey 54 PLCO 54 inferential statistics 54 FDG PET scans 54 posttreatment 53 EEGs 53 nonpregnant women 53 chest radiographs 53 civilian noninstitutionalized population 53 syndromal 53 longitudinal observational study 53 Meta analyzes 53 XRF analyzes 53 postintervention 53 BMD measurements 53 ICD Registry 53 wrist actigraphy 53 meta analytic 53 Birth Cohort 53 sputum specimens 53 Prostate Cancer Prevention 53 Framingham Offspring 53 colorectal adenoma 53 NESARC 53 CHD mortality 53 limiting generalizability 53 IMPROVE HF 53 mailed questionnaires 53 prospective cohort 53 Prostate Lung Colorectal 53 liver biopsies 53 HIV seronegative 53 underwent radical prostatectomy 53 Young Adults CARDIA 53 variance ANOVA 53 multivariate analyzes 53 STEP BD 52 multivariate logistic regression 52 posttest 52 Insulin Resistance Atherosclerosis 52 National Longitudinal Survey 52 telomere lengths 52 univariate analyzes 52 anthropometric measurements 52 DEXA scans 52 random samplings 52 Secondary efficacy endpoints 52 Survey MEPS 52 transcriptomic 52 RECORD1 52 substudy 52 Kaplan Meier method 52 prospective observational cohort 52 Osteoporotic Fractures 52 Collaborative Perinatal Project 52 Kaplan Meier curve 52 colonoscopy flexible sigmoidoscopy 52 System BRFSS 52 retrospective observational study 52 tertiles 52 VNTR 52 tissue microarrays 52 Detailed explanations 52 Educational Longitudinal Study 52 polysomnography PSG 52 observational cohort study 52 DMIST 52 retrospectively analyzed 52 nutrient intakes 52 serologic testing 52 Pharmacokinetic parameters 52 Kruskal Wallis test 52 mg Pycnogenol 52 THIS STUDY analyzed 52 histologic examination 52 cytologic 52 QAQC samples 52 digit dialing RDD 52 Pneumococcal vaccines 52 chi squared 52 clinico pathological 52 dosing cohort 52 univariate 51 Food Frequency Questionnaire 51 pairwise comparisons 51 urinary BPA 51 prospective observational studies 51 nonfasting 51 bone density measurements 51 Saliva samples 51 digit dial RDD 51 semiquantitative 51 covariates 51 Baseline characteristics 51 Atherosclerosis MESA 51 HIV tropism 51 DEXA scan 51 Multicenter AIDS 51 multicentre prospective 51 bacterial isolates 51 Kids Inpatient Database 51 OPT CHF 51 longitudinal cohort study 51 relapsed MM 51 Longitudinal studies 51 Screening Trial DMIST 51 subtests 51 Atkins dieters cardiovascular 51 Duplicate samples 51 NSABP B 51 hemoglobin A1c HbA1c 51 colorectal neoplasia 51 metabolite concentrations 51 ANOVA 51 Bonferroni 51 genotypic resistance 51 spirometric 51 retrospective cohort study 51 polysomnographic 51 microalbumin test 51 subgroup analyzes 51 BMI percentile 51 urodynamic 51 hierarchical clustering 51 Pearson correlation coefficient 51 serum lipid levels 51 N telopeptide 51 prospective observational 51 ALSPAC 51 timepoints 51 anthropometric 51 TrendTrader system 50 phylogenetic analyzes 50 Digital Mammographic Imaging 50 allele frequencies 50 categorical variables 50 histopathologic 50 basal till 50 hydroxy vitamin D 50 ICSI cycles 50 Multivariate analysis 50 logistic regressions 50 Populus interviewed random 50 dosing cohorts 50 endometrial biopsy 50 Bonferroni correction 50 digital rectal examination 50 attain statistical significance 50 Carotid Revascularization Endarterectomy vs. 50 ConclusionThis 50 interrater reliability 50 Multiethnic Cohort Study 50 sociodemographic factors 50 CARAVAN R 50 Cochrane Systematic Review 50 serum leptin 50 folate vitamin B 50 mean ± SEM 50 DLTs 50 selenium supplementation 50 pole dipole 50 digit dialed 50 semistructured 50 Univariate analysis 50 cervical cytology 50 ANCOVA 50 Kaplan Meier analysis 50 placebo controlled clinical trials 50 advanced neoplasia 50 sociodemographic characteristics 50 Observational studies 50 multivariable logistic regression 50 serum uric acid 50 nondiabetic patients 50 blood counts CBCs 50 Multi Ethnic Study 50 EEG abnormalities 50 pulp metallic 50 undergone radical prostatectomy 50 Nutrition EPIC 50 genomewide 50 polysomnogram 50 SWiTCH 50 UKPDS 50 prospectively defined 50 ACOSOG Z# 50 assaying protocols 50 WHIMS 50 #S rRNA 50 specific antigen PSA 50 Kruskal Wallis 50 cTnT levels 50 noninstitutionalized adults 50 sawn channel 50 NCDB 50 frequency questionnaire FFQ 50 National Epidemiologic Survey 50 Vital Statistics System 50 oral ibandronate 50 Fecal occult blood 50 diagnostic angiography 50 GAMMAGARD 50 Replication NCS R 50 HIVNET 50 subanalysis 50 fingerstick 50 hemagglutinin gene 50 electrocardiograms ECGs 50 preoperative intraoperative 50 anti JCV antibodies 50 Brief Psychiatric 50 EEG readings 50 RE LY ® 50 placebo controlled studies 50 antimicrobial susceptibility 50 TAXUS VI 50 muscle biopsies 50 serum IGF 50 aged ≥ 50 MSLT 50 Histologic 50 BMI percentiles 50 Interview Survey CHIS 49 SORT OUT III 49 Fasting glucose 49 nonsampling errors 49 heel prick test 49 Interrater reliability 49 HCV RESPOND 2 49 linear regression models 49 atazanavir ritonavir 49 cDNA libraries 49 plasma folate 49 nucleotide substitutions 49 MMSE score 49 multivariate regression analysis 49 multiphasic 49 Study AREDS 49 CARE HF 49 singleton pregnancies 49 Discharge Survey 49 Primary endpoints 49 Logistic regression 49 Symptom severity 49 multiple linear regression 49 fraternal twin pairs 49 element ICP MS 49 vaginal swab specimens 49 chest radiography 49 kimberlite batches 49 NPM1 mutations 49 FIES 49 dimensional echocardiography 49 National Guideline Clearinghouse 49 BMI z 49 adiponectin concentrations 49 acetabular fractures 49 gynecological examinations 49 logistic regression 49 Analytical Protocols 49 histopathologic examination 49 dysglycemia 49 tumor histology 49 parous 49 Rigorous scientific 49 odds ratios ORs 49 Current Beneficiary 49 intravenous picoplatin 49 BARI 2D 49 blinded randomized placebo controlled 49 hemoglobin A1c levels 49 dataset 49 regression coefficients 49 microarray experiments 49 Lewy bodies DLB 49 MDRD 49 nondemented 49 sedentary postmenopausal 49 microbiologically evaluable 49 WHEL 49 ELBW infants 49 transrectal ultrasound guided 49 Reynolds Risk Score 49 National Longitudinal Study 49 HMGA1 49 hip resurfacing arthroplasty 49 inhibin B 49 Mantel Haenszel 49 URTI 49 Dialysis Outcomes 49 gamma logs 49 longitudinal studies 49 postoperative complication 49 lipid lowering medications 49 stone formers 49 TOHP 49 Complications Trial 49 neuropsychological evaluations 49 multivariable Cox 49 flow cytometric analysis 49 Screening Trial 49 timepoint 49 inflammatory biomarkers 49 aldosterone antagonist 49 histopathological 49 Abilab 49 Coronary Artery Risk 49 hemodialysis patients 49 EEG recordings 49 Atherosclerosis Risk 49 sonographic examinations 49 anonymous stratified random 49 meta analysis 49 REVIVE TA 49 logistic regression analysis 49 Mineralized intervals 49 observational cohort 49 retest reliability 49 pathologic examination 49 microsatellite markers 49 susceptibility loci 49 prevalences 49 electroencephalographic EEG 49 transcriptional profiling 49 GSTM1 gene 49 CHAMPION PCI 49 Insulin Delivery Systems 49 MobiLens 49 J Clin Oncol 49 undetectable HBV DNA 49 outcropping quartz 49 nonrandomized 49 End Results SEER 49 microwell plate 49 Liver biopsies 49 pharmacokinetic characteristics 49 National Inpatient Sample 49 male Wistar rats 49 PCI ExTRACT TIMI 49 serum CRP 49 histological subtype 49 Health NSDUH 49 APPROVe trial 48 dichotomous variables 48 Exclusion criteria 48 malignant polyps 48 HIV HCV coinfected 48 NSTE ACS 48 Normative Aging Study 48 PFGE 48 esophageal manometry 48 thyrotropin levels 48 prelicensure 48 antipsychotic prescribing 48 fluoride intake 48 myocardial uptake 48 J Immunol 48 wore pedometers 48 fingerstick glucose 48 chromatograms 48 variograms 48 canned albacore tuna 48 covariance ANCOVA 48 statistical significance p 48 trials RCTs 48 poor metabolizers 48 dose dose escalation 48 diastolic blood pressures 48 #S rRNA gene 48 IgG isotype 48 fructosamine 48 choline intake 48 PRECiSE 48 Chodick 48 Communities ARIC study 48 REMINYL ® 48 exploratory endpoints 48 Child Behavior Checklist 48 nomogram 48 Nord Trøndelag Health 48 Shopper Events specializes 48 Hemoccult II 48 underwent CABG 48 Pearson correlation coefficients 48 MMSE scores 48 orofacial clefts 48 induced sputum 48 epidemiologic studies 48 metabolic parameters 48 fasting serum 48 anthropometric measures 48 Arterial stiffness 48 precaution Wiehle 48 Wilcoxon rank sum 48 ACCORD Lipid 48 Post hoc 48 schizophreniform disorder 48 CORE OM 48 Cytogenetic 48 multivariate regression 48 Subgroup analyzes 48 GH deficiency 48 CT perfusion 48 extracolonic findings 48 Sociodemographic 48 Likert 48 ELISAs 48 plasma selenium 48 National Comorbidity Survey 48 cTnT 48 YRBS 48 albumin creatinine ratio 48 biopsy specimens 48 mcg albinterferon alfa 2b 48 Multiple linear regression 48 binary logistic regression 48 symptom checklist 48 histologic subtype 48 intraobserver 48 episodic migraine sufferers 48 Geochemical soil 48 EQUATE OB 48 BMI waist circumference 48 NSQIP 48 Millennium Cohort Study 48 mg administered orally 48 REYATAZ r arm 48 Coronary artery calcification 48 dermoscopy 48 caustic fusion diamond 48 colorectal polyp 48 symptom exacerbation 48 echocardiographic 48 ginkgo biloba extract 48 subscale scores 48 immunohistochemical 48 NCCTG N# 48 PLCO trial 48 bepotastine besilate nasal spray 48 prospective multicentre 48 neuroimaging studies 48 Urine samples 48 DCCT 48 immunochemical 48 NMP# protein 48 aCGH 48 core needle biopsies 48 acetabular fracture 48 interobserver 48 HbA 1C 48 Prostate specific antigen 48 urine albumin 48 Birth Defects Prevention 48 electrophysiologic 48 microbiologic 48 tertile 48 HIV uninfected 48 syndromic 48 renal cortical 48 pelvic ultrasound 48 Histopathologic 48 noninstitutionalized 48 NQ diameter drill 48 eNO 48 unpaired t 48 mammography registries 48 interobserver reliability 48 HORIZONS AMI trial 48 clinicopathologic 48 cognitively normal 48 FYI Stifel Nicolaus 48 nationally projectable 48 chemoprevention trials 48 National Crime Victimization 48 LDL HDL 48 lifetime abstainers 48 urine dipstick 48 randomizing patients 48 VLBW infants 48 AIR CF1 48 genomewide association study 48 serum concentrations 48 positron emission tomography scans 48 d dimer 48 transcranial Doppler 48 MERIT ES 48 estimated GFR 48 psychiatric comorbidities 48 RE LY trial 48 mapping trenching 48 Hemopurifier ® treatments 48 socioeconomic characteristics 48 Female Sexual Function 48 serum vitamin D 48 Significant assay 48 Women Ischemia Syndrome 48 CABG surgeries 48 Home Buyer Seller 48 BODE index 48 underwent coronary angiography 48 element ICP AES 48 differentially expressed genes 48 NCI Surveillance Epidemiology 48 lipid lowering agents 48 ascending doses 48 hsCRP levels 48 MRSA isolates 48 follicular phase 48 indels 47 website mySupermarket.co.uk 47 Consumer Expenditure Survey 47 Kahuna kimberlite 47 Cohort Study 47 Cochrane reviewers 47 Knaupf Plasterboard Tianjin 47 hemodynamically significant 47 EMPHASIS HF trial 47 specified secondary endpoints 47 intramuscular dose 47 Affymetrix arrays 47 Triglyceride levels 47 serum lipids 47 paraffin embedded tissue 47 serological 47 HCV SPRINT 47 preintervention 47 lowfat diet 47 somatic mutations 47 skin sterol 47 histological subtypes 47 stool specimens 47 papillary renal cell carcinoma 47 generalized linear 47 Nielsen Homescan 47 Induced polarization IP 47 null responder HCV 47 Kellgren Lawrence 47 gadobutrol 47 adenoma recurrence 47 glycosylated hemoglobin HbA1c 47 histologic findings 47 beta carotene supplementation 47 Ovarian PLCO Cancer 47 NMP# protein marker 47 biochemical relapse 47 ACS NSQIP 47 renal cell carcinomas 47 Professionals Follow 47 TransUnion Trend 47 coronary calcification 47 Isle Royale wolf 47 nondiagnostic 47 coronary angiograms 47 Epidemiologic studies 47 genital HSV 47 microdata 47 PORxin TM platforms 47 dietary intakes 47 HLA DQ 47 lipid lowering medication 47 socio demographic 47 ENDEAVOR clinical 47 Liraglutide Effect 47 Logistic regression analysis 47 vastus lateralis 47 AVERROES 47 Live +7 47 definite stent thrombosis 47 TAXUS V 47 maternal lineages 47 Factor Surveillance 47 Longitudinal 47 randomly sampled 47 element ICP analysis 47 TRITON TIMI 47 Oncotype 47 ultrastructural 47 coronary stenosis 47 CATIE AD 47 QM MSP 47 Homocysteine levels 47 Methods Retrospective 47 coarse rejects 47 postmenopausal hormone therapy 47 sonographically guided 47 Solid Tumors RECIST 47 BI RADS 47 phase IIIb 47 BoNTA 47 Sprague Dawley rats 47 reactogenicity 47 Mermin oversees 47 Global Impression CGI 47 Canadian Multicentre Osteoporosis 47 HSCT 47 2D electrophoresis gels 47 nulliparous women 47 advanced adenoma 47 Prostate Specific Antigen PSA 47 asymptomatic carotid stenosis 47 chromosomal anomalies 47 element inductively coupled 47 pressure monitoring ABPM 47 biopsied tissue 47 NNT = 47 DDHs 47 Epidemiologic Follow 47 THIS STUDY 47 pharmacokinetics PK 47 oral rivaroxaban 47 colorectal adenomas 47 diagnosing ADHD 47 Arch Intern Med 47 VADT 47 laboratory abnormalities 47 seropositivity 47 Clinical Antipsychotic Trials 47 histopathologic findings 47 hip BMD 47 geologic interpretations 47 mg kg cohorts 47 underwent bariatric surgery 47 antidiabetic medication 47 Paleobiology Database 47 Dietary intakes 47 urinalyses 47 DQI 47 point Likert scale 47 #q# deletion 47 biopsy specimen 47 Education Next PEPG 47 PCR amplification 47 highest tertile 47 Stenting Trial CREST 47 litho geochemical 47 IP induced polarization 47 Bulk density 47 journal Resuscitation 47 metabolically healthy 47 physiologic parameters 47 Early Joli Fou 47 Linear regression 47 PIB PET 47 psychodynamic therapy 47 stepwise logistic regression 47 Intervention Trial 47 acrylamide intake 47 chlamydia gonorrhea syphilis 47 serum ferritin 47 computerized tomography scan 47 lithogeochemical samples 47 nonvertebral fractures 47 ICP AES Method 47 NIH CPSI 47 CaPSURE 47 penicillin allergy 47 regression analyzes 47 lipid lowering therapy 47 TKAs 47 β blockers 47 Urogenital Distress Inventory 47 Mineral Resource estimation 47 Diabetes Interventions 47 NIBRS 47 IP geophysical surveys 47 Stool samples 47 Detailed geologic mapping 47 retrospectively reviewed 47 AVOREN 47 fasting glucose 47 IQR 47 ESPAD 47 #.#ng/ml 47 Longitudinal Study 47 EDSS score 47 dosing intervals 47 Viral load 47 geodemographic 47 serum creatinine levels 47 MDRD equation 47 Trained interviewers 47 prospective longitudinal 47 surveys Herbenick 47 electroencephalograms 47 symptomatic intracerebral hemorrhage 47 geophysics prospecting 47 impaired glucose metabolism 47 ALT flares 47 fasting lipid 47 Subgroup analysis 47 microarray gene expression 47 variant rs# 47 longitudinal study 47 multidose 47 VTEM airborne surveys 47 basal bolus regimen 47 HQ diameter 47 CLBP 47 Activation Labs Actlabs 47 μl 47 BCG vaccinated 47 microsatellite loci 47 perimenopausal women 47 HGPIN 47 ADHD RS 47 Multivariate analyzes 47 Raman spectra 47 CH 1C 47 subsamples 47 residual confounding 47 Dietary Guidelines recommend 46 % CI #.#-#.# [004] 46 EQUIP OB 46 CHD CVD 46 UPDRS motor 46 placebo controlled dose escalation 46 waist circumference measurements 46 XIENCE V demonstrated 46 underwent surgical resection 46 lignan intake 46 PREZISTA r arm 46 Polyp Prevention Trial 46 randomized multicenter trial 46 DayQuil capsules 46 μg doses 46 Study ARIC 46 multivariable analysis 46 NCT# ClinicalTrials.gov 46 ComRes telephoned 46 histological examination 46 abdominal circumference 46 multivariable adjusted 46 FDG PET imaging 46 nonadherent 46 sample 46 oncologic outcomes 46 Random Digit Dialed RDD 46 nonpregnant 46 rFSH 46 DSM IV diagnoses 46 male Sprague Dawley 46 DAS# scores 46 insulin detemir 46 femora 46 serum samples 46 Operative mortality 46 correlational 46 lipid lowering drugs 46 onset diabetes mellitus 46 Marketrack 46 methodologic 46 CVD mortality 46 Dos Hornos 46 Skin sterol 46 baseline HbA1c 46 FAME Study 46 electrocardiographic 46 transient elastography 46 CYPHER R stent 46 multicenter trials 46 tissue biopsies 46 ascertainment bias 46 intact parathyroid hormone 46 darunavir ritonavir 46 cardio respiratory fitness 46 Stop Hypertension diet 46 test FOBT 46 transvaginal sonography 46 morphometric 46 RCTs 46 Lipid Lowering Treatment 46 dose Iluvien 46 ASCUS 46 nonvertebral fracture 46 VAP Test 46 gadolinium enhanced 46 Prospective Investigation 46 HER2 expression 46 structural lineaments 46 sequential dose escalation 46 placebo controlled trials 46 endotoxin concentrations 46 nonobese 46 urolithiasis 46 ADE# ineffective 46 deCODE AF TM 46 Randomized trials 46 pelvic examinations 46 longitudinal cohort 46 Prolatis 46 hydroxyvitamin D levels 46 Histopathological 46 psychiatric outpatients 46 diastolic pressures 46 cervicovaginal 46 genomic loci 46 apnea hypopnea 46 prepregnancy 46 QTcF 46 Arch Surg 46 Am J Cardiol 46 heterozygotes 46 geophysics trenching 46 USPSTF recommends 46 familial aggregation 46 DLQI 46 HbA 1c levels 46 quantitative PCR 46 F FDG PET 46 inserting blanks 46 semistructured interview 46 immunohistochemical analysis 46 multivariate statistical 46 SEER database 46 Disordered eating 46 HIV seroconversion 46 haematologic 46 electrocardiograms ECG 46 Index CDAI 46 Detailed mapping 46 System IPSS 46 retrospective observational 46 Pharmacokinetic 46 plasma homocysteine 46 INTERHEART study 46 fasting glucose levels 46 HAART regimens 46 nonresponse 46 mineralogical studies 46 multivariate Cox 46 hole DDH# 46 airborne magnetic anomalies 46 atherogenic dyslipidemia 46 pharmacodynamic parameters 46 MEND CABG 46 comorbid psychiatric disorders 46 WME ranking 46 fasting insulin 46 bazedoxifene conjugated estrogens 46 SNP arrays 46 biostatistical analysis 46 TAXUS IV 46 glycated hemoglobin levels 46 events SAEs 46 Cervista HPV HR 46 #q# deletion syndrome 46 subsample 46 histologically confirmed 46 Complication rates 46 Immunization Survey 46 exome 46 polysomnography 46 gravimetric method 46 Randomized controlled 46 PreDx DRS 46 NP CRNs 46 dose pharmacokinetic 46 MTWA testing 46 demographic variables 46 Insulin sensitivity 46 microarray datasets 46 nondiabetic 46 bacterial genomes 46 somatoform disorders 46 underwent resection 46 irbesartan 46 Edinburgh Postnatal Depression 46 ascending dose 46 serum GGT 46 Secondary endpoints include 46 Cohort Study MACS 46 virological response 46 acid digestion ICP 46 COPD exacerbation 46 SABCS 46 spectrophotometric 46 SNP rs# [002] 46 serum estradiol 46 cDNAs 46 liver transplant recipients 46 randomized clinical trials 46 maize genome 46 pretest 46 methotrexate therapy 46 cross tabulations 46 Tumor Response 46 flavonoid intake 46 Likert Scale 46 impaired fasting glucose 46 weighings 46 StrategyOne conducted 46 PRAMS 46 karyotypes 46 prognostic variables 46 preoperative PSA 46 biochemical assays 46 Blanks duplicates 46 anterior pituitary 46 gms tonne silver 46 Thyroid nodules 46 secondary efficacy endpoint 46 estrogen metabolites 46 CSAMT MT 46 myocardial infarctions MIs 46 systolic blood pressures 46 paclitaxel eluting stents 46 NMP# 46 Wechsler Adult 46 #:#-# [029] 46 genotypic 46 prospective nonrandomized 46 total knee arthroplasties 46 clinicopathological 46 MVax R 46 Sensitivity analyzes 46 nucleotide sequence 46 aminotransferase levels 46 meta analyzes 46 tumor biopsies 46 lowest tertile 46 dosage regimens 46 tipranavir ritonavir 46 NNRTI resistance 46 antiretroviral naïve 46 grade Thor Vein 46 PAP smear 46 bioassays 46 morphometric vertebral fractures 46 Body Composition Study 46 Peptide YY 46 DSM IV diagnosis 46 oral swabs 46 Zolpimist ™ 46 treatment naive genotype 46 cfu 46 pair waterboarded Zubaydah 46 bone density scans