Related by context. Frequent words. (Click for all words.) 49 retrospective cohort study 49 electrocardiogram EKG 47 neuropsychological tests 47 randomly selected 46 pretest 46 randomly selected households 46 randomly sampled 45 antenatal clinic 45 Observational studies 45 sociodemographic 45 fMRI scans 45 Urine samples 45 random sample 45 polysomnography 45 fMRI scanner 44 BRFSS 44 questionnaires 44 participants 44 functional Magnetic Resonance 44 polygraph exams 44 Occupational therapists 44 screening colonoscopy 44 randomly selected sample 43 random sampling 43 brain scans 43 liver biopsies 43 study 43 antenatal clinics 43 oral glucose tolerance 43 triage nurse 42 CarFit 42 questionnaire 42 EEGs 42 journal Critical Care 42 prospective cohort 42 Wirthlin Worldwide 42 generalizability 42 NHANES III 42 Questionnaires 41 motivational interviewing 41 Gamblers Anonymous meetings 41 CAVEATS 41 Interviewers 41 randomly chosen 41 HIV uninfected 41 neuropsychologists 41 American Geriatrics Society 41 survery 41 adenotonsillectomy 41 endoscopists 41 Urine tests 41 bone density screening 41 predeployment 41 X rays CT scans 40 clinical neuropsychologist 40 mouth swabs 40 bone density scans 40 nonurgent 40 observational study 40 Volunteer tutors 40 placebo controlled clinical trials 40 digital rectal exams 40 antenatal classes 40 psychometric tests 40 Nationwide Inpatient Sample 40 debriefing 39 survey 39 debriefing sessions 39 prospective observational 39 Informed consent 39 NHANES 39 patients 39 journal Psychosomatic Medicine 39 cervical smears 39 fingerstick 39 bedtime routines 39 computed tomography scan 39 psychoeducation 39 gynecological exam 39 glucose screenings 39 researchers 39 Lifesteps 39 bone density screenings 39 ultrasound examinations 39 cochlear implantation 39 digital rectal examination 39 www.aabutte glenn.org 39 smoking cessation counseling 39 liver transplant recipients 38 www.healthgrades.com 38 Hertz Picciotto 38 urine specimens 38 cardiorespiratory fitness 38 depressive symptoms 38 attention-deficit/hyperactivity disorder ADHD 38 Prostate Specific Antigen PSA 38 Structured Clinical 38 questionaire 38 IGMH 38 Physical therapists 38 randomized controlled trial