| LHFA | lung Hageman factor activator |
|---|---|
| PA | panic attack; pantothenic acid; paralysis agitans; paranoia; passive aggressive; pathology; patient'... |
| PAI | patient assessment instrument; plasminogen activator inhibitor |
| PAI-1 | plasminogen-activator inhibitor-1 |
| PkA | prekallikrein activator |