title: [Are supplemental studies always a supplement?].
authors.affiliation: Vakgroep Neurologie, Universiteit Utrecht.
authors.forename: L J
authors.initials: LJ
authors.lastname: Kappelle
mesh_terms: D000368:Aged; D002545:Brain Ischemia / Q000175:diagnosis; D002544:Cerebral Infarction / Q000175:diagnosis / Q000209:etiology; D002561:Cerebrovascular Disorders / Q000175:diagnosis* / Q000209:etiology / Q000517:prevention & control*; D004452:Echocardiography / Q000706:statistics & numerical data; D006801:Humans; D002542:Intracranial Embolism and Thrombosis / Q000175:diagnosis; D008875:Middle Aged; D011336:Probability
vernacular_title: Is aanvullend onderzoek altijd een aanvulling?