共 15 条
[2]
DEBRUX JA, 1968, ACTA CYTOL, V12, P395
[4]
Graham J B, 1967, J Obstet Gynaecol Br Commonw, V74, P371
[5]
GRILLO D, 1966, OBSTET GYNECOL, V28, P346
[7]
KEETTEL WC, 1966, AM J OBSTET GYNECOL, V94, P766
[8]
KERR HD, 1951, AM J ROENTGENOL, V66, P184
[9]
MARCUS CYRIL C., 1962, OBSTET AND GYNECOL, V20, P701