| TPF | thymus permeability factor; thymus to peak flow; true positive fraction |
|---|---|
| TPR | temperature, pulse, and respiration; testosterone production rate; third party reimbursement; total ... |
| TPST | true positive stress test |
| TRE | thymic reticuloendothelial; thyroid hormone response; true radiation emission |
| TTLC | true total lung capacity |