Human biology in Tlaxcala, Mexico: demography.
D000367:Age Factors; D003710:Demography; D004641:Emigration and Immigration; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D005828:Genetics, Population; D006801:Humans; D007198:Indians, North American; D008297:Male; D008722:Methods; D008800:Mexico; D012737:Sex Factors; D013223:Statistics as Topic