| ACGT | antibody-coated grid technique |
|---|---|
| GRID | gay-related immunodeficiency [syndrome] |
| GTI | grid tiler |
| PEG | Patient Evaluation Grid; percutaneous endoscopic gastrostomy; pneumoencephalogram, pneumoencephalogr... |
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |