[DURATION OF MATERNAL LACTATION. STUDY OF 868 PRIMIPARAS].
D001942:Breast Feeding; D005260:Female; D006801:Humans; D007774:Lactation; D010298:Parity; D010827:Physiology
LACTATION; PHYSIOLOGY
DURA C AO DO ALEITAMENTO MATERNO. ESTUDO S OBRE 868 M AES PRIM'IPARAS.