Related by context. Frequent words. (Click for all words.) 66 retrospective cohort study 63 NHANES III 60 Prostate Cancer Prevention 60 prospective cohort 59 Prospective Investigation 58 substudy 57 lipid lowering therapy 57 postmenopausal women 57 Cohort Study 56 prospective observational 56 Atherosclerosis Risk 56 Professionals Follow 56 colorectal adenomas 56 adenotonsillectomy 56 liver biopsies 55 liver transplant recipients 55 elevated LDL cholesterol 55 rectal cancers 55 postmenopausal hormone therapy 55 postmenopausal 54 bowel cancers 54 breast carcinoma 54 dietary intakes 54 tibolone 54 pre menopausal 54 folic acid intake 54 BRCA1 mutations 54 post menopausal 54 NHANES 54 computed tomography CT scans 54 calcium supplementation 54 % CI #.#-#.# [003] 54 prepubertal 54 longitudinal study 53 premenopausal women 53 observational study 53 screening colonoscopy 53 premenopausal 53 HIV uninfected 53 folate intake 53 cognitively normal 53 Gynecologic Oncology Group 53 logistic regression analysis 53 Interview Survey 53 multivitamin supplements 53 Observational studies 53 lipid lowering drugs 53 confidence interval #.#-#.# 53 mammographic screening 53 Arch Intern Med 53 CALGB 53 genetic polymorphisms 53 fasting insulin 52 folic acid supplement 52 de ath 52 pharmacodynamic effects 52 MR spectroscopy 52 observational studies 52 dietary intake 52 PSA screening 52 multivariate analyzes 52 oophorectomy 52 BRCA2 mutations 52 randomized controlled trials 52 multicenter study 52 postmenopausal breast cancer 52 recurrent miscarriage 52 Patient Registry 52 selenium supplements 52 serum vitamin D 52 beta carotene supplements 52 GnRH agonists 52 meta analysis 52 mg calcium 52 Concord grape juice 52 subanalysis 52 digital rectal examination 51 nonmelanoma skin cancer 51 epidemiologic studies 51 Vitamin D supplements 51 cervical smears 51 advanced adenomas 51 longitudinal studies 51 olaparib 51 endometrial cancers 51 placebo controlled clinical 51 Biopsies 51 colorectal cancer CRC 51 nonfatal MI 51 folic acid supplementation 51 MGUS 51 DASH diet 51 posttreatment 51 polycystic ovary syndrome PCOS 51 elevated CRP 51 subclinical hypothyroidism 51 thrombophilia 51 Nutrition Examination Survey NHANES 51 sociodemographic 51 testicular cancers 51 epidemiological studies