title: Hemifacial spasm: treatment by posterior fossa surgery.
mesh_terms: D000328:Adult; D003388:Cranial Fossa, Posterior; D005154:Facial Nerve / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008866:Microsurgery / Q000379:methods*; D008875:Middle Aged; D013981:Tic Disorders / Q000601:surgery*