| UR | unconditioned reflex; upper respiratory; uridine; urinal; urology; utilization review |
|---|---|
| URO | urology; uroporphyrin; uroporphyrinogen; utilization review organization |
| Urol | urology, urologist |
| AJKD | American Journal of Kidney Diseases |
| JOC | Journal of Oncologic Clinical(?) |