共 30 条
[2]
Brown S. S., 1995, BEST INTENTIONS UNIN, P3
[3]
CONNELL EB, 1994, FEMALE PATIENT, V19, P91
[4]
CROMER BA, 1994, PEDIATRICS, V94, P687
[5]
DAVIS AJ, 1994, AM J OBSTET GYNECOL, V170, P1581
[6]
Guyer B, 1996, PEDIATRICS, V98, P1007