共 18 条
[11]
Perez-Escamilla R, 1992, Bull Pan Am Health Organ, V26, P30
[13]
POWERS NG, 1994, SEMIN PERINATOL, V18, P517
[15]
THE DURATION OF BREAST-FEEDING - A LONGITUDINAL PROSPECTIVE-STUDY IN DENMARK
[J].
SCANDINAVIAN JOURNAL OF SOCIAL MEDICINE,
1991, 19 (02)
:105-109
[17]
*WHO GLOB DAT BANK, 1996, BREASTF BEST START
[18]
ZETTERSTROM R, 1994, ACTA PAEDIATR, V83, P1