| PBA | polyclonal B-cell activity; pressure breathing assist; prolactin-binding assay; prune belly anomaly;... |
|---|---|
| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |
| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
| PGG | polyclonal gamma globulin |
| pRF | polyclonal rheumatoid factor |