title: Environmental risk factors and clinical phenotype in familial and sporadic primary blepharospasm.
authors.forename: Roger
authors.initials: R
authors.lastname: Kurlan
mesh_terms: D001764:Blepharospasm / Q000209:etiology*; D003069:Coffee / Q000009:adverse effects*; D004421:Dystonia / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male
chemical_list: D003069:Coffee