| GPS | Goodpasture syndrome; gray platelet syndrome; guinea pig serum; guinea pig spleen |
|---|---|
| gr | grade; graft; grain; gram; gravity; gray; gross |
| Gy | gray |
| PAG | periaqueductal gray [matter]; polyacrylamide gel; pregnancy-associated globulin; proliferation-assoc... |
| HVL | Half-Value Layer |