| LRE | lamina rara externa; leukemic reticuloendotheliosis; lymphoreticuloendothelial |
|---|---|
| LRI | lamina rara interna; lower respiratory [tract] illness; lower respiratory [tract] infection; lymphoc... |
| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |