| IAD | inactivating dose; instructional advance directive; internal absorbed dose |
|---|---|
| VIA | virus inactivating agent; virus infection-associated antigen |
| OHA | Oral Hypoglycemic Agents |
| CTA | Canadian Tuberculosis Association; chemotactic activity; chromotropic acid; Committee on Thrombolyti... |
| ICAAC | Interscience Conference on Antimicrobial Agents and Chemotherapy |