title: [Methodological prerequisites of clinical research].
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000209:etiology / Q000628:therapy*; D011379:Prognosis; D012106:Research; D012306:Risk
vernacular_title: Methodische Voraussetzungen klinischer Forschung.