| CIPSO | chronic intestinal pseudo-obstruction |
|---|---|
| GAPO | growth retardation, alopecia, pseudo-anodontia, and optic atrophy [syndrome] |
| IIP | idiopathic interstitial pneumonia; idiopathic intestinal pseudo-obstruction; increased intracranial ... |
| IP | icterus praecox; imaging plate; immune precipitate; immunoblastic plasma; immunoperoxidase technique... |
| PRAS | pre-reduced anaerobically sterilized [medium]; pseudo-renal artery syndrome |