| GAFG | goal attainment follow-up guide |
|---|---|
| GDB | gas density balance; guide dogs for the blind |
| IGS | image-guided surgery; inappropriate gonadotropin secretion; internal guide sequence |
| REG | radiation exposure guide; radioencephalogram, radioencephalography |
| RPG | radiation protection guide; Report Program Generator[ PC language]; retrograde pyelogram; rheoplethy... |