| RMT | Registered Music Therapist; relative medullary thickness; retromolar trigone; right mentotransverse ... |
|---|---|
| RPT | rapid pull-through; refractory period of transmission; Registered Physical Therapist; renal parenchy... |
| rs | rank correlation coefficient |
| RVWT | right ventricle wall thickness |
| R-W | Rideal-Walker [coefficient] |