title: Levator syndrome: an analysis of 316 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009135:Muscular Diseases / Q000145:classification / Q000175:diagnosis / Q000628:therapy; D010146:Pain; D011247:Pregnancy; D012002:Rectal Diseases / Q000145:classification / Q000175:diagnosis / Q000628:therapy; D012445:Sacrococcygeal Region; D013035:Spasm / Q000145:classification / Q000175:diagnosis / Q000628:therapy; D013577:Syndrome