| PLS | Papillon-Lefevre syndrome; polydactyly-luxation syndrome; preleukemic syndrome; primary lateral scle... |
|---|---|
| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |
| RLF | retrolental fibroplasia; right lateral femoral |
| RLR | right lateral rectus [muscle] |
| rt | lat right lateral |