| PACAP38 | Pituitary adenylate cyclase activating polypeptide |
|---|---|
| PACG | Primary Angle-closure Glaucoma |
| PACIA | Particle Counting ImmunoAssay |
| PACNS | Primary angiitis of the central nervous system |
| PaCO2 | Arterial CO2 tension |
| PaCO2 | Arterial PCO2 |
| PACO2 | pressure of arterial carbon dioxide |
| PAcP | Prostatic acid phosphatase |
| PACS | Picture Archival and Communication System |
| PACS | Picture Archive and Communication System |