Biomedical research, training, and medical library assistance amendments of 1983 : hearing before the Committee on Labor and Human Resources, United States Senate, Ninety-eighth Congress, first session, on S. 773 to revise and extend programs relating to biomedical research, research training, and medical library assistance, to establish a National Institute of Arthritis and Musculoskeletal and Skin and Skin Diseases, and for other purposes, March 17, 1983