| Abbreviations | Meaning |
 | SIS | Small Intestinal Submucosa (hernia Repair) |
 | FIN | Fine Intestinal Needle |
 | GER | Gas Exchange Region; Gastroesophageal Reflux; Geriatrics; Granular Endoplasmic Reticulum |
 | BIB | Bibliography; Biliointestinal Bypass; Brought In By |
 | MGB | Micropouch" Gastric Bypass |
 | IPSID | Immunoproliferative Small Intestinal Disease |
 | GA | Gastric Analysis |
 | TGEV | Transmissible Gastroenteritis Virus |
 | EGDS | Esophagogastric Devascularization With Splenectomy |
 | GO | Gastro-[o]esophageal; Geroderma Osteodysplastica; Glutamic Oxylacetic [acid]; Gonorrhea; Glucose Oxidase |
 | GEF | Gastroesophageal Fundoplication; Glossoepiglottic Fold; Gonadotropin Enhancing Factor; Guanosine Nucleotide Exchange Factor |
 | GERD | Gastroesophageal Reflux Disease |
 | GJ | Gap Junction; Gastric Juice; Gastrojejunostomy |
 | IRBP | Intestinal Retinol-binding Protein |
 | GASTROC | Gastrocnemius [muscle] |