共 5 条
[1]
BEDER E, 1913, AM ASS OBST GYNEC, V30, P45
[2]
BUBS JL, 1918, CLEVELAND MED J, V17, P149
[3]
DAVIS LP, 1912, OPERATIVE OBSTET, P402
[4]
HIRST BC, 1917, J OBST, V75, P755
[5]
SKEEL AJ, 1918, CLEVELAND M J, V17, P83