Related by context. Frequent words. (Click for all words.) 59 random sampling 51 randomly selected 50 randomly sampled 50 sampling 48 phylogenetic analysis 47 random sample 47 surveys 47 histopathologic 46 random 46 samplings 45 supercomputer simulations 45 urine specimens 45 randomly selects 45 sample 44 serologic 44 Western blot 44 tests 44 samples 44 histopathological 44 unvalidated 44 ANOVA 44 EEGs 44 microbiological testing 43 BRFSS 43 graphical representations 43 microRNA expression 43 immunohistochemical 43 serological 43 tabulates 43 epidemiologic studies 43 neuroimaging studies 43 Urine tests 43 randomly chosen 42 analyzes 42 verifies 42 statistical anomalies 42 toxicological studies 42 measurements 42 verifications 42 testings 42 PCR amplification 42 testing 42 blind tastings 42 bioassays 42 audits 42 digital rectal examination 42 evaluations 42 sampled 42 statistical analyzes 42 miscounting 42 colorimetric 42 electrocardiogram EKG 42 randomly 41 subtests 41 pyrosequencing 41 stool sample 41 nonresponse 41 total coliform 41 InvestorsKeyhole various news 41 tally sheets 41 statistically valid 41 logistic regression 41 cursory inspection 41 vaginal secretions 41 survery 41 multivariate analyzes 40 quantitative PCR 40 searches 40 biopsy specimens 40 validations 40 electroencephalography EEG 40 #.# MHz [002] 40 overvotes 40 anecdotal observations 40 NHANES III 40 formative assessments 40 BigResearch 40 urine tests 40 statistical analysis 40 pretest 40 sociodemographic 40 tabulations 40 fingerstick 40 Observational studies 40 multivariate 40 randomly selected households 40 randomly selected sample 40 assessments 40 mouth swabs 40 liver biopsies 40 polygraph examinations 39 experiments 39 analyzed 39 neuropsychological tests 39 vitro experiments 39 Sampling 39 duplicate samples 39 microscopic examination 39 Edison Mitofsky 39 pairwise 39 keyword searches