| NR | do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; nonreac... |
|---|---|
| NSS | normal saline solution; normal size and shape; not statistically significant; nutrition support serv... |
| NTR | negative therapeutic reaction; normotensive rat; nutrition |
| Nut | nutrition |
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |