共 23 条
[2]
BOTTGER TC, 1993, WORLD J SURG, V17, P427
[5]
Chung MJ, 1997, ACTA RADIOL, V38, P135
[6]
De Angelis C, 1998, Endoscopy, V30 Suppl 1, pA182, DOI 10.1055/s-2007-1001517