共 16 条
[1]
BARD H, 1970, Clinical Obstetrics and Gynecology, V13, P511, DOI 10.1097/00003081-197009000-00002
[2]
CAMPBELL S, 1971, J OBSTET GYN BR COMM, V78, P513
[3]
CAMPBELL S, 1971, LANCET, V2, P1002
[4]
CAMPBELL S, 1974, 27 CIBA F S, P275
[5]
FITZHARDINGE PM, 1972, PEDIATRICS, V50, P50
[6]
LUBCHENCO LO, 1966, PEDIATRICS, V37, P403
[7]
QUEENAN JT, 1976, AM J OBSTET GYNECOL, V124, P871
[10]
SHEARMAN RP, 1959, J OBSTET GYNAECOL, V66, P1