9Law WL, Choi HK, Chu KW, et al, Comparison of stenting with emergency surgery as palliative treatment for obstructing primary left-side colorectal cancer[J]. Br J Surg, 2003, 90(11) : 1429-1433.
10Mergener K, Kozarek R. Stenting of the gastrointestinal tract [ J]. Dig Dis Sci, 2002, 20(2): 173-181.
