title: [Problems of interpretation in studies of adverse drug reactions].
mesh_terms: D001699:Biometry; D002986:Clinical Trials as Topic; D064420:Drug-Related Side Effects and Adverse Reactions; D005860:Germany, West; D006801:Humans; D011446:Prospective Studies; D012189:Retrospective Studies
vernacular_title: Zur Problematik der Interpretation von Studien über Arzneimittelnebenwirkungen.