共 36 条
[3]
BELBER JP, 1977, DIAG RAD, V123, P637
[4]
BOYDEN EA, 1957, SURG GYNECOL OBSTET, V104, P641
[5]
CLASSEN M, 1979, GASTROINTEST ENDOSC, V25, P37
[7]
CREMER M, 1980, GASTROINTEST ENDOSC, V26, P65
[8]
FISCHER MG, 1979, ARCH SURG-CHICAGO, V114, P991
[9]
GEENEN JE, 1980, GASTROENTEROLOGY, V78, P317
[10]
GEENEN JE, 1977, JAMA-J AM MED ASSOC, V237, P2075