| NR | do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; nonreac... |
|---|---|
| NRU | neutral red uptake |
| GnRH | Gonadotropin Releasing Hormone [HP 1898, 2034] = LHRH = Go... |
| hypo. | hypodermic(ally) injection; 피하주사 |
| IDUs | Injection Drug Users |