共 54 条
[3]
Boschbach F W, 1969, Geburtshilfe Frauenheilkd, V29, P473
[4]
Boughton T., 1943, AM J SURG, V59, P585
[5]
BOWING HH, 1949, AM J ROENTGENOL, V61, P517
[6]
Cavanagh D, 1968, Aust N Z J Obstet Gynaecol, V8, P171, DOI 10.1111/j.1479-828X.1968.tb00710.x
[7]
CHAMLIAN DL, 1972, OBSTET GYNECOL, V39, P489
[8]
CHARLES AH, 1972, BRIT MED J, P397
[10]
COMAS MR, 1969, OBSTET GYNECOL, V33, P177