共 18 条
[1]
ALBERMAN E, 1976, FETAL PHYSL MEDICINE
[2]
BOWES WA, 1977, PRETERM LABOUR, P331
[3]
BUTLER NR, 1969, PERINATAL PROBLEMS
[4]
CHAMBERLAIN R, 1975, BRIT BIRTHS 1970, V1
[5]
FARRELL PM, 1976, PEDIATRICS, V58, P167
[7]
HARPER R, 1979, PEDIATR RES, V13, P390
[8]
KULKARNI P, 1978, PEDIATRICS, V62, P178
[9]
Niswander KR, 1972, WOMEN THEIR PREGNANC
[10]
SHAPIRO S, 1979, AM J OBSTET GYNECOL, V136, P363