| SOR | stimulus-organism response; superoxide release |
|---|---|
| SRIF | somatotropin-release inhibiting factor |
| TR | recovery time; rectal temperature; repetition time; residual tuberculin; terminal repeat; tetrazoliu... |
| TRI | tetrazolium reduction inhibition; Thyroid Research Institute; total response index; toxic chemical r... |
| TRIFACTS | Toxic Chemical Release Inventory Facts |