| API | alkaline protease inhibitor; Analytical Profile Index; arterial pressure index; atmospheric pressure... |
|---|---|
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |
| ORANS | Oak Ridge Analytical System |
| ODT | Occlusive Dressing Technique; 밀봉 요법 |
| ACGT | antibody-coated grid technique |