| LR | labeled release; laboratory references; laboratory report; labor room; lactated Ringer [solution]; l... |
|---|---|
| MBRT | methylene blue reduction time |
| MLRD | microgastria-limb reduction defects [association] |
| NR | do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; nonreac... |
| OR | a logical binary relation that is true if any argument is true, and false otherwise; [o]estrogen rec... |