共 50 条
- [24] PERFORATED DUODENAL-ULCER IN THE ELDERLY ACTA CHIRURGICA-THE EUROPEAN JOURNAL OF SURGERY, 1991, 157 (02): : 121 - 125
- [26] PERFORATED DUODENAL-ULCER IN A COW CANADIAN VETERINARY JOURNAL-REVUE VETERINAIRE CANADIENNE, 1982, 23 (05): : 173 - 175