Virgin soil epidemics as a factor in the aboriginal depopulation in America.
D000569:Americas; D003643:Death; D003710:Demography; D004194:Disease; D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D012499:Sanitation / Q000266:history*; D013223:Statistics as Topic / Q000266:history*