Filtragem por: Contributor Williams, Bryan Remover Contributor: Williams, Bryan Sujeito Ballenger, Martha D. Remover Sujeito: Ballenger, Martha D. Sujeito Delivery of Health Care -- manpower Remover Sujeito: Delivery of Health Care -- manpower Sujeito National Academy of Sciences (U.S.) Remover Sujeito: National Academy of Sciences (U.S.) Sujeito Professional Competence Remover Sujeito: Professional Competence Sujeito Stead, Eugene A. Remover Sujeito: Stead, Eugene A.