TY - BOOK AU - Rapoport,Alan M AU - Sheftell,Fred D TI - Headache disorders: a management guide for practitioners SN - 0-7216-4051-6 U1 - 616.8/491 20 PY - 1996/// CY - Philadelphia PB - Saunders KW - Headache KW - cefalea N1 - Includes bibliographical references and index ER -