sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Professional Association of Internes and Residents of Saskatchewan | ** |
| Professional Association of Interns and Residents of Saskatchewan | ** |
| Provider Access to Immunization Registry Securely | ** |
| Partners Active in Resource Sharing | ** |
| Pan Arab Interventional Radiology Society | ** |
| Property Accounting Inventory and Reporting System | * |
| Procurement of Automated Information Resources Solutions | * |
| Pushbroom Airborne Infrared Remote Sensor | * |