| RELE | resistive exercise of lower extremities |
|---|---|
| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |
| RIPP | resistive-intermittent positive pressure |
| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |
| RM | radical mastectomy; random migration; radon monitor; range of movement; red marrow; reference materi... |