title: [A 1:R matched case-control method for the study of cerebroarteritis etiology].
mesh_terms: D001167:Arteritis / Q000209:etiology*; D002539:Cerebral Arterial Diseases / Q000209:etiology*; D004812:Epidemiologic Methods; D006801:Humans; D007922:Leptospirosis / Q000150:complications