| UMA | ulcerative mutilating acropathy; upright membrane assay; urinary muramidase activity |
|---|---|
| UP | parallax unsharpness; ulcerative proctitis; ultrahigh purity; unipolar; upright posture; ureteropelv... |
| NEC | Necrotizing Entero-Colitis |
| PMC | Pseudo-Membranous Colitis |
| AAPC | antibiotic-associated pseudomembranous colitis |