| PTT | partial thromboplastin time; particle transport time; posterior tibial tendon (transfer); prothrombi... |
|---|---|
| ROT | real oxygen transport; remedial occupational therapy; right occipito-transverse [fetal position] |
| SHTTP | secure hypertext transport protocol |
| SOT | sensory organization test; systemic oxygen transport |
| tm | transport medium; true mean |