共 43 条
[2]
Bacsich P, 1938, J ANAT, V72, P358
[3]
BARCROFT J, 1946, RESEARCHES PRENATAL
[4]
BOE F, 1953, ACTA OBST GYNEC S S5, V32
[5]
BOYD JD, 1955, 2 T C GEST, P132
[6]
Bumm E., 1890, ARCH GYNAK, V37, P1
[7]
Bumm E., 1893, ARCH GYNAK, V43, P181
[8]
CRAWFORD JM, 1959, J OBSTET GYNAECOL, V66, P885
[9]
CRAWFORD JM, 1955, J OBSTET GYNAECOL, V62, P896
[10]
CRAWFORD JM, 1961, J OBSTET GYN BR COMM, V68, P378