共 22 条
[1]
Adams M M, 1991, Paediatr Perinat Epidemiol, V5, P333, DOI 10.1111/j.1365-3016.1991.tb00718.x
[4]
CUNNINGHAM FG, 1993, WILLIAMS OBSTETRICS
[8]
HILLARD PJA, 1985, OBSTET GYNECOL, V66, P185
[9]
KLERMAN LV, 1994, PEDIATRICS, V93, P327