| NPI | Narcissistic Personality Inventory; neuropsychiatric institution; no present illness; nucleoplasmic ... |
|---|---|
| NPV | negative predictive value; pressure value; negative pressure ventilation; net present value; nuclear... |
| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| PE | Edinburgh Pharmacopoeia; pancreatic extract; paper electrophoresis; partial epilepsy; pelvic examina... |