Vaccines and the power of immunity.
Vetter
R T
RT
Dakota Clinic, West Acres, Fargo, North Dakota, USA.
Hoel
D
D
D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007109:Immunity; D011051:Poliomyelitis / Q000266:history / Q000276:immunology; D012899:Smallpox / Q000266:history / Q000276:immunology; D014612:Vaccines / Q000266:history*
D014612:Vaccines