共 4 条
[1]
BORELL U, 1958, Geburtshilfe Frauenheilkd, V18, P1
[2]
DONNER MW, 1963, AMER J ROENTGENOL RA, V90, P638
[3]
Panigel M, 1975, Eur J Obstet Gynecol Reprod Biol, V5, P251, DOI 10.1016/0028-2243(75)90034-9
[4]
PANIGEL M, 1968, EXCEPTA MED INT 183, P279