| ISU | International Society of Urology |
|---|---|
| SPU | short procedure unit; Society of Pediatric Urology; standardized photometric unit |
| UR | unconditioned reflex; upper respiratory; uridine; urinal; urology; utilization review |
| URO | urology; uroporphyrin; uroporphyrinogen; utilization review organization |
| Urol | urology, urologist |