共 121 条
[61]
KLEIN N, 1985, PEDIATRICS, V75, P531
[62]
KLING P, 1989, J OBSTET GYNECOL NEO, P457
[63]
KRAYBILL EN, 1995, J PEDIAT S, V126, P33
[65]
LAPINE TR, 1995, PEDIATRICS, V96, P479
[67]
Letko M D, 1992, Neonatal Netw, V11, P33
[68]
LEVITON A, 1993, PEDIATRICS, V91, P1083
[70]
Lott J W, 1989, Neonatal Netw, V7, P21