title: Scientific problems with a noncausal artifact.
authors.forename: L A
authors.initials: LA
authors.lastname: Heinemann
authors.forename: W O
authors.initials: WO
authors.lastname: Spitzer
authors.forename: U H
authors.initials: UH
authors.lastname: Winkler
mesh_terms: D016477:Artifacts; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D013924:Thrombophlebitis / Q000139:chemically induced* / Q000453:epidemiology
chemical_list: D003276:Contraceptives, Oral