[Exclusive natural lactation and associated factors in a peripheral clinic 1981].
D000328:Adult; D001942:Breast Feeding; D002677:Chile; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008423:Maternal Age; D010298:Parity; D012959:Socioeconomic Factors
Lactancia natural exclusiva y algunos factores asociados en consultorio periférico 1981.