| NAEMSP | National Association of Emergency Medical Services Physicians |
|---|---|
| NAPN | National Association of Physicians' Nurses |
| NAVAPAM | National Association of Veterans Affairs Physicians and Ambulatory Care Managers |
| PATH | pathology, pathological; pituitary adrenotropic hormone; physicians at teaching hospitals |
| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |