(Q40904731)
Statements
1 reference
Perforated gastric and duodenal ulcer: an analysis of prognostic factors (English)
1 reference
Hamby LS
1 reference
Zweng TN
1 reference
Strodel WE
1 reference
1 May 1993
1 reference
1 reference
59
1 reference
5
1 reference
319-23; discussion 323-4
1 reference
Identifiers
1 reference