| LR | labeled release; laboratory references; laboratory report; labor room; lactated Ringer [solution]; l... |
|---|---|
| LRR | labyrinthine righting reflex; lymph return rate |
| NDR | neonatal death rate; normal detrusor reflex |
| OCR | oculocardiac reflex; oculocerebrorenal [syndrome]; optical character recognition |
| OORR | orbicularis oculi reflex response |