Ludmerer, Kenneth M. (October 1983). "The Rise of the Teaching Hospital in America". Journal of the History of Medicine and Allied Sciences. 38 (4): 389–414. doi:10.1093/jhmas/38.4.389. PMID6358338.
Ludmerer, Kenneth M. (October 1983). "The Rise of the Teaching Hospital in America". Journal of the History of Medicine and Allied Sciences. 38 (4): 389–414. doi:10.1093/jhmas/38.4.389. PMID6358338.