| NIRMP | National Intern and Resident Matching Program |
|---|---|
| NPA-NIHHDP | National Pituitary Agency-National Institutes of Health Hormone Distribution Program |
| NTP | National Toxicology Program; nitroprusside; normal temperature and pressure; nucleoside triphosphate... |
| PACE | Pacing and Clinical Electrophysiology; paired basic amino acid cleaving enzyme; personalized aerobic... |
| PAP | pancreatitis-associated protein; Papanicolaou [test]; papaverine; passive-aggressive personality; pa... |