Related by context. Frequent words. (Click for all words.) 58 questionnaires 58 questionaires 55 questionnaire 55 randomly selected households 53 Birth Defects Prevention 53 random sample 52 NHANES III 52 Medical Expenditure Panel 52 randomly selected 52 Prostate Lung Colorectal 51 randomly selected sample 51 BRFSS 51 sociodemographic 51 retrospective cohort study 50 Census questionnaire 50 Questionnaires 49 Nationwide Inpatient Sample 49 Factor Surveillance 49 questionaire 49 simple cheek swab 48 Framingham Offspring Study 48 Atherosclerosis Risk 48 randomly sampled 48 Ambulatory Medical 47 Prostate Cancer Prevention 47 Mathew Greenwald & 47 survey 47 Behavioral Risk 47 survery 47 untreated tooth decay 46 CAVEATS 46 pretest 46 smoking cessation counseling 46 randomly chosen 46 bone density scans 46 eValue8 46 mouth swabs 45 random sampling 45 BRCA gene mutations 45 socio demographic 45 cheek swabs 45 surveys 45 Avon Longitudinal Study 45 Randomly selected 45 journal Critical Care 45 HIV uninfected 45 www.healthgrades.com 45 TNS NFO 45 PCPT 45 digital rectal exams 45 prospective cohort 44 NHANES 44 Cohort Study 44 Birth Cohort 44 iPrEx 44 ICM interviewed 44 Urine samples 44 KnowledgePanel 44 Nutrition Examination Surveys 44 End Results SEER 44 muscle biopsies 44 BJU International 44 National Epidemiologic Survey 43 multivariate logistic regression 43 Birth announcements 43 National Crime Victimization 43 programs visit http:/www.nih.gov 43 National Longitudinal Survey 43 antenatal clinics 43 Patient Registry 43 journal Diabetes 43 sigmoidoscopies 43 prostate biopsies 43 postmenopausal hormone therapy 43 Spirometry 43 By Nick Triggle 43 Buijsse 43 ADNI 43 Nordic Cochrane 43 premenopausal 43 vaccinees 43 PlanSmartChoice 43 Visit www.ansys.com 43 nonphysician 43 ELCAP 43 sentinel surveillance 43 generalizability 43 liver biopsies 43 www.collegeboard.com 43 Survey Methodology 43 poor metabolizers 43 Interview Survey 43 Professionals Follow 43 study 43 Prostate Cancer Screening 43 http:/www.ap-gfkpoll.com 43 sports @ nwanews 43 Twin Registry 43 Prostate Specific Antigen PSA 42 unexplained infertility 42 Observational studies