title: Essential blepharospasm.
mesh_terms: D000367:Age Factors; D003937:Diagnosis, Differential; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use; D000431:Ethanol / Q000627:therapeutic use; D005141:Eyelid Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology / Q000601:surgery / Q000628:therapy*; D005152:Facial Muscles / Q000294:innervation; D005154:Facial Nerve / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D008875:Middle Aged; D009407:Nerve Block; D011183:Postoperative Complications; D013035:Spasm / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology / Q000601:surgery / Q000628:therapy*; D013981:Tic Disorders / Q000175:diagnosis
chemical_list: D000431:Ethanol; D004295:Dihydroxyphenylalanine