Classical Views of Disease: Hippocrates, Galen, and HumoralismHSHM 202 · Lec 2 · Frank M. Snowden · Yale UniversityFrank M. SnowdenYale University4 ch48:11
Smallpox (II): Jenner, Vaccination, and EradicationHSHM 202 · Lec 7 · Frank M. Snowden · Yale UniversityFrank M. SnowdenYale University5 ch50:34