| IAS | immunosuppressive acidic substance; infant apnea syndrome; insulin autoimmune syndrome; interatrial ... |
|---|---|
| PLL | peripheral light loss; phase-locked loop; poly-L-lysine; pressure length loop; posterior longitudina... |
| IAPG | interatrial pressure gradient |
| IASA | interatrial septal aneurysm |
| IASD | interatrial septal defect; inter-auricular septal defect |