| GSS | gamete-shedding substance; General Social Survey; Gerstmann-Straussler-Scheinker [disease] |
|---|---|
| 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 |