共 9 条
[1]
BROWNE JCM, 1978, ANTENATAL CARE, P224
[2]
CLAIREAUX A, 1975, BRIT BIRTHS 1970, V1, P242
[3]
DEWHURST C, 1976, INTEGRATED OBSTETRIC, P440
[4]
HALLER ES, 1956, OBSTET GYNECOL SURV, V2, P179
[5]
MORISON JE, 1970, FOETAL NEONATAL PATH, P243
[8]
REID DE, 1972, PRINCIPLES MANAGEMEN, P556
[9]
1963, CLIN REPORTS YEARS 1