| LWP | lateral wall pressure |
|---|---|
| PLED | periodic lateral epileptiform discharge |
| 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 |