共 60 条
[2]
BENIRSCHKE K, 1953, OBSTET GYNECOL, V1, P638
[3]
Bourne G.L., 1962, HUMAN AMNION CHORION
[4]
BROCK DJH, 1976, LANCET, V2, P345
[5]
CASADEI R, 1973, ACTA CYTOL, V17, P289
[6]
CEDERQVIST L L, 1970, Clinical Obstetrics and Gynecology, V13, P159, DOI 10.1097/00003081-197003000-00011
[7]
CHAPMAN PA, 1981, ACTA CYTOL, V25, P367