| Abbreviations | Meaning |
 | GIH | Gastrointestinal Hemorrhage; Growth-inhibiting Hormone |
| LI | Large Intestine |
| IBD | Identical-by-descent; Inflammatory Bowel Disease; Integrated Balloon Display; Irritable Bowel Disease |
| BOR | Basal Optic Root; Before Time Of Operation; Bowels Open Regularly; Branchio-oto-renal [syndrome] |
| GR | Gastric Resection |
| GES | Gastroesophageal Sphincter; Glucose-electrolyte Solution |
| SBO | Small Bowel Obstruction; Spina Bifida Occulta |
| SIM | Specialized Intestinal Metaplasia |
| SBTT | Small Bowel Transit Time |
| BO | Bowel Obstruction |
| GP | Gastroplasty |
| SIMA | Small Intestinal Mucinous Antigen |
| SIS | Small Intestinal Submucosa (hernia Repair) |
| GITSG | Gastrointestinal Tumor Study Group |
| SBO | Small Bowel Obstruction |
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