共 5 条
[1]
ADAMS G, 1975, CLIN RES, V23, pA69
[2]
CHAN WH, 1973, OBSTET GYNECOL, V41, P7
[4]
PAUL RH, 1971, OBSTET GYNECOL, V37, P779
[5]
PAUL RH, 1973, OBSTET GYNECOL, V41, P777