共 13 条
[6]
HOWARD RS, 1980, ARCH SURG-CHICAGO, V115, P273
[7]
MCGRAW JP, 1948, SURGERY, V24, P793
[8]
PRATT AT, 1981, OBST GINEC, V57, P37
[9]
RITVO M, 1957, AMER J ROENTGENOL RA, V78, P587