title: Selection bias introduced by the informed consent process.
authors.forename: Nina Hannover
authors.initials: NH
authors.lastname: Bjarnason
authors.forename: Jens Peter
authors.initials: JP
authors.lastname: Kampmann
mesh_terms: D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D007258:Informed Consent; D009203:Myocardial Infarction / Q000517:prevention & control; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D015983:Selection Bias