We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleResident work hours: the evolution of a revolution.AuthorsWallack MK; Chao LPublicationArchives of surgery (Chicago, Ill. : 1960), 2001, Vol 136, Issue 12, p1426ISSN0004-0010Publication typearticleDOI10.1001/archsurg.136.12.1426