共 4 条
[1]
KERESZTURY S, 1976, ACTA MORPHOL HUNG, V24, P359
[2]
LAIUPPA MA, 1963, OBSTET GYNECOL, V21, P155
[3]
NOVAK ER, 1979, GYNECOLOGIC OBSTETRI, P550
[4]
WULFF GS, 1977, OBSTET GYNECOL, V79, P351