| PSP | Pancreatic Spasmolytic Polypeptide |
|---|---|
| PACAP | Pituitary Adenylate Cyclase Activating Polypeptide |
| PACAP38 | Pituitary adenylate cyclase activating polypeptide |
| PACAP 38 | Pituitary adenylate cyclase activating polypeptide 38 |
| PACAP | Pituitary adenylyl cyclase-activating polypeptide |