共 5 条
[1]
Doyle LW, 2000, BRIT MED J, V320, P648
[3]
Ferriman EL, 2000, BRIT MED J, V320, P647
[4]
Survival and place of delivery following preterm birth: 1994-96
[J].
ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION,
1999, 80 (02)
:F111-F114