共 19 条
[1]
*AM COLL OBST GYN, 1993, ACOG TECHN B, V179, P1
[2]
[Anonymous], NUTR PREGN WEIGHT GA
[3]
Barker DJP, 1996, NUTR REV, V54, pS1
[8]
KRAMER M, 1995, COCHRANE PREGNANCY C, P1
[10]
KRAMER MS, 1995, COCHRANE PREGNANCY C