[The weight of epidemiologic studies].
Instituto de Higiene Médico-Social, Faculdade de Medicina de Coimbra, Coimbra, Portugal.
Salvador Massano
SM
Cardoso
D000293:Adolescent; D000328:Adult; D000465:Algorithms; D000818:Animals; D016022:Case-Control Studies; D002648:Child; D002784:Cholesterol / Q000097:blood; D015331:Cohort Studies; D003430:Cross-Sectional Studies; D016021:Epidemiologic Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000453:epidemiology; D009088:Mucoproteins / Q000494:pharmacology; D016032:Randomized Controlled Trials as Topic; D051381:Rats; D017208:Rats, Wistar; D011795:Surveys and Questionnaires; D013912:Threonine / Q000494:pharmacology; D014364:Tryptophan / Q000494:pharmacology; D014443:Tyrosine / Q000494:pharmacology
D009088:Mucoproteins; C010393:lysin, gastropoda; D013912:Threonine; D014443:Tyrosine; D014364:Tryptophan; D002784:Cholesterol