共 9 条
[1]
BARDEN P, 1972, AM J OBSTET GYNEC, V112, P645
[2]
CASSADY G, 1974, CLIN PERINATOLOGY, P422
[3]
Hertz J, 1978, Ugeskr Laeger, V140, P223
[4]
KUBLI F, 1977, PRETERM LABOUR, P218
[6]
RIES GH, 1979, GEBURTSH FRAUENHEILK, V39, P33
[7]
ROGGE P, 1979, LANCET, V1, P1026
[8]
EFFECT OF PRETERM DELIVERY ON PERINATAL MORTALITY
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1978, 85 (11)
:806-811
[9]
WESSELIU.A, 1971, BMJ-BRIT MED J, V3, P144