共 49 条
[2]
BEJAR R, 1981, OBSTET GYNECOL, V57, P497
[3]
BENIRSCHKE K, 1955, OBSTET GYNECOL, V6, P399
[4]
BENIRSCHKE K, 1967, PATHOLOGY PLACENTA
[5]
BLACC W, 1981, PERINATAL DISEASES
[6]
BOURNE G, 1962, HUMAN AMNION CHORION, P175
[9]
DIJHOORN MJ, 1986, BR J OBSTET GYNAECOL, V93, P217
[10]
Flood B, 1984, JOGN Nurs, V13, P119, DOI 10.1111/j.1552-6909.1984.tb01119.x