| PTT | partial thromboplastin time; particle transport time; posterior tibial tendon (transfer); prothrombi... |
|---|---|
| NKTR | natural killer triggering receptor |
| MRT | magnetic resonance tomography; maximum relaxation time; median range score; median reaction time; me... |
| RT | radiologic technologist; radiotelemetry; radiotherapy; radium therapy; rapid tranquilization; reacti... |
| TR | recovery time; rectal temperature; repetition time; residual tuberculin; terminal repeat; tetrazoliu... |