Infant feeding practices of middle-class breastfeeding and formula-feeding mothers.
D000818:Animals; D001903:Bottle Feeding; D001942:Breast Feeding; D005260:Female; D006801:Humans; D007225:Infant Food; D007231:Infant, Newborn; D008892:Milk; D012959:Socioeconomic Factors; D014886:Weaning