Some epidemiological aspects of maternal breast-feeding in a population entitled to social welfare services in Mexico.
D001942:Breast Feeding; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008800:Mexico; D012946:Social Welfare; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D013997:Time Factors