TY - BOOK AU - AU - Paty, Donald W.;Ebers, George C. ED - ED - ED - ED - SN - 803667841 SN - 2 PY - 1998///];copyright 1998.46 CY - Philadelphia PB - F.A. Davis KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Multiple sclerosis.;Multiple Sclerosis N1 - Includes bibliographical references and index; 5 ER -