| TSH-RF | thyroid-stimulating hormone-releasing factor |
|---|---|
| TSH-RH | thyroid-stimulating hormone-releasing hormone |
| TSI | thyroid stimulating immunoglobulin; triple sugar iron [agar] |
| TSR | theophylline sustained release; thyroid to serum ratio; total systemic resistance |
| TST | thiosulfate sulfur-transferase; thromboplastin screening test; total sleep time; transforming sequen... |