| IAS | immunosuppressive acidic substance; infant apnea syndrome; insulin autoimmune syndrome; interatrial ... |
|---|---|
| IFGS | interstitial fluid and ground substance |
| I-sub | inhibitor substance |
| LASS | labile aggregation stimulating substance |
| MBAS | methylene blue active substance |
| SPI | substance P-like immunoreactive |
|---|---|
| SICRI | substance immunologically cross reactive with insulin |
| SAS | surface active substance |