| AC/SIUG | ambulatory care special-interest user group |
|---|---|
| ACTG | AIDS Clinical Trial Group |
| ADG | ambulatory diagnostic group; atrial diastolic gallop; axiodistogingival |
| AGT | abnormal glucose tolerance; activity group therapy; acute generalized tuberculosis; angiotensin; ant... |
| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |