| NEEP | negative end-expiratory pressure |
|---|---|
| neg | negative |
| NEP | negative expiratory pressure; nephrology; neutral endopeptidase; no evidence of pathology |
| NIF | negative inspiratory force; neutrophil immobilizing factor; nonintestinal fibroblast |
| NPBV | negative pressure body ventilator |
| PNR | proximal negative response |
|---|---|
| TN | triple negative |
| TN | true negative |