| NFL | nerve fiber layer; neurofilament protein, light polypeptide |
|---|---|
| NFM | neurofilament protein, medium polypeptide |
| PACAP | pituitary adenylate cyclase activating polypeptide |
| PLP | phospholipid; plasma leukapheresis; polypeptide; polystyrene latex particles; posterior lobe of pitu... |
| PNP | pancreatic polypeptide; para-nitrophenol; peak negative pressure; pediatric nurse practitioner; peri... |