共 12 条
[3]
CHARACTERISTICS OF NORMAL LABOR IN DIFFERENT RACIAL GROUPS
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1975, 82 (08)
:593-601
[5]
Friedman EA, 1978, LABOR CLIN EVALUATIO, V2nd
[8]
PHILPOTT RH, 1972, J OBSTET GYN BR COMM, V79, P592
[9]
POTTER N, 1971, Lancet, V1, P1031