| IBS | Irritable Bowel Syndrome |
|---|---|
| IBD | inflammatory bowel disease; irritable bowel disease |
| IBS | imidazole buffered saline; immunoblastic sarcoma; irritable bowel syndrome; isobaric solution |
| IC | icteric, icterus; immune complex; immunoconjugate; immunocytochemistry; immunocytotoxicity; impedanc... |
| ICS | ileocecal sphincter; immotile cilia syndrome; impulse-conducting system; integrated case study; inte... |