| IAS | immunosuppressive acidic substance; infant apnea syndrome; insulin autoimmune syndrome; interatrial ... |
|---|---|
| IAPG | interatrial pressure gradient |
| IASA | interatrial septal aneurysm |
| IASD | interatrial septal defect; inter-auricular septal defect |
| AAC | antibiotic-associated [pseudomembranous] colitis; antimicrobial agent-induced colitis; augmentative ... |