共 5 条
[1]
BAGSHAWE KD, 1969, CHORIOCARCINOMA CLIN
[2]
FREETH D, 1950, J OBSTET GYN BRIT EM, V57, P757
[3]
GORDON AN, 1985, OBSTET GYNECOL, V65, P550
[4]
Seedat Y K, 1965, S Afr Med J, V39, P751
[5]
WONG LC, 1986, OBSTET GYNECOL, V67, P107