WATERS TERESA M. 312,632 HUGHES EDWARD F . X . , WATERS TERESA H. The impact of ma naged care ondermatology / Edward F.X. Hughes, Teresa M. Waters ; Center for Health Services and Policy Research North western Universi ­ ty. - New York: Cahners Health care Communications, 1993. - 8 s. :wykr. ; 27 c m (Cutis, suppl.)