共 8 条
[2]
BHATIA NN, 1982, OBSTET GYNECOL, V60, P552
[6]
INGELMANSUNDBE. A, 1952, J OBSTET GYNAEC BRIT, V59, P699
[7]
JEFFCOATE TNA, 1952, J OBSTET GYN BR COMM, V59, P685
[8]
JOSIF SL, 1980, ARCH GYNECOL, V230, P41