| PAG | Peri-Aqueductal Gray |
|---|---|
| CGM | central gray matter |
| GM | gastric mucosa; Geiger-Muller [counter]; general medicine; genetic manipulation; geometric mean; gia... |
| GPS | Goodpasture syndrome; gray platelet syndrome; guinea pig serum; guinea pig spleen |
| gr | grade; graft; grain; gram; gravity; gray; gross |