Biological and behavioral predictors of exclusive breastfeeding duration.
D001724:Birth Weight; D001835:Body Weight; D001942:Breast Feeding; D005260:Female; D006128:Growth; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008425:Maternal Behavior; D008962:Models, Theoretical; D012959:Socioeconomic Factors; D013997:Time Factors