| NR | do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; nonreac... |
|---|---|
| NTV | nerve tissue vaccine |
| OMN | oculomotor nerve |
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |
| PNI | peripheral nerve injury; postnatal infection; prognostic nutritional index |