sort by Rank | Alpha
| Possible Meanings | Rank |
| Packet Header Information List | ** |
| Public Health Info Links | ** |
| Polarized Helium to Image the Lung | ** |
| Potential Host Institutions List | * |
| Pakistan House International Ltd | * |
| Public Health Informatics Laboratory | * |
| Magnetic resonance imaging using hyperPolarized HelIum gas as a tooL for the diagnosis of selected respiratory diseases | * |