1. Images of hospital pharmacy in America: a pictorial essay in conjunction with an exhibit at the National Library of Medicine, May 28-July 28, 1991, to commemorate the 50th anniversary of the founding of the American Society of Hospital Pharmacists Author(s): Harris, Michael R., 1941- Publication: Bethesda, MD : History of Medicine Division, National Library of Medicine, [1992?] Subject(s): Pharmacy Service, Hospital -- historyUnited States