title: The levator ani spasm syndrome. A clinical analysis of 31 cases.
mesh_terms: D000328:Adult; D000368:Aged; D001003:Anal Canal; D002081:Buttocks; D003672:Defecation; D004414:Dyspareunia; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009120:Muscle Cramp / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D010388:Pelvis; D011187:Posture; D012445:Sacrococcygeal Region; D013035:Spasm / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D013314:Stress, Mechanical; D013315:Stress, Psychological; D014464:Ultrasonic Therapy