Mortality trends in prehistoric populations.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D049690:History, Ancient; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D009026:Mortality; D010163:Paleontology; D013397:Sudan; D014481:United States