Length of exclusive breastfeeding: linking biology and scientific evidence to a public health recommendation.
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Food and Nutrition Program, Pan American Health Organization, Washington, DC 20037, USA.
D001942:Breast Feeding; D002149:Energy Intake; D006128:Growth; D006291:Health Policy; D006801:Humans; D007223:Infant; D007225:Infant Food; D007227:Infant Nutritional Physiological Phenomena; D011634:Public Health; D013997:Time Factors