[Health and aging in the 20th century].
Ham Chande
Roberto
R
Gutiérrez Robledo
Luis Miguel
LM
D000368:Aged; D000375:Aging; D005260:Female; D006304:Health Status; D006306:Health Surveys; D006801:Humans; D008297:Male; D008800:Mexico; D012959:Socioeconomic Factors