| NE | national emergency; necrotic enteritis; necrotizing enterocolitis; nephropathia epidemica; nerve end... |
|---|---|
| NRI | nerve root involvement; nerve root irritation; nonrespiratory infection |
| PNS | paraneoplastic syndrome; parasympathetic nervous system; partial nonprogressive stroke; peripheral n... |
| PTN | pain transmission neuron; pleiotrophin; posterior tibial nerve |
| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |