| PA-2 | Phospholipase A2 |
|---|---|
| PA-I | PA inhibitor |
| PA-I | plasminogen activator |
| PA-IgG | Platelet associated IgG |
| PA-IVS | Pulmonary atresia and intact ventricular septum |
| PA-TCH-SP | Periodate-thiocarbohydrazide-silver proteinate |
| PA-TCH-SP | Periodic acid-thiocarbohydrazide silver proteinate |
| PA/IVS | Pulmonary atresia with intact ventricular septum |
| PAA | Phenylacetic acid |
| PAA | Phosphoanacetic acid |