| PDW | platelet distribution width |
|---|---|
| PDWHF | platelet-derived wound-healing factor |
| PECAM | platelet-endothelial cell adhesion molecule |
| PF | pair feeding; peak flow; perfusion fluid; pericardial fluid; periosteal fibroblast; peritoneal fluid... |
| PF1-4 | platelet factors 1 to 4 |