共 5 条
[1]
AIRD I, 1954, BRIT MED J, V1, P831
[2]
HIRST BC, 1892, HUMAN MONSTROSITIES
[3]
KERR JMM, 1949, OPERATIVE OBSTETRICS, P243
[4]
MORRONE AA, 1954, OBSTET GYNECOL, V4, P658
[5]
RAWLINGS EE, 1951, J OBSTET GYN BRIT EM, V58, P452