| PPL | penicilloyl polylysine; posterior pulmonary leaflet |
|---|---|
| PPM | permanent pacemaker; phosphopentomutase; physician practice management; pigmented pupillary membrane... |
| PPR | physician-patient relation; physician payment reform; posterior primary ramus; Price precipitation r... |
| PR | by way of the rectum [Lat. per rectum]; far point [of accommodation] [Lat. punctum remotum]; palindr... |
| pRCA | posterior right coronary artery |