共 11 条
[2]
EKMANORDEBERG G, 1985, OBSTET GYNECOL, V66, P307
[4]
KAPPY KA, 1982, J REPROD MED, V27, P29
[6]
LANIER L. RICHARD, 1965, AMER J OBSTET GYNECOL, V93, P398
[9]
MUNSON LA, 1985, AM J OBSTET GYNECOL, V153, P562, DOI 10.1016/0002-9378(85)90474-0