Filtragem por: Contributor Hershey, Nathan Remover Contributor: Hershey, Nathan Sujeito Delivery of Health Care -- manpower Remover Sujeito: Delivery of Health Care -- manpower Sujeito Hershey, Nathan Remover Sujeito: Hershey, Nathan Sujeito Leone, Lucile Petry, 1902- Remover Sujeito: Leone, Lucile Petry, 1902- Sujeito Stead, Eugene A. Remover Sujeito: Stead, Eugene A.