TY - BOOK AU - Rapoport,Alan M. AU - Sheftell,Fred D. TI - Headache disorders: a management guide for practitioners SN - 0721640516 AV - RB128 .R367 1996 U1 - 616.8/491 RAP 20 PY - 1996/// CY - Philadelphia PB - Saunders KW - Headache N1 - Includes bibliographical references and index ER -