| ORNL | Oak Ridge National Laboratory |
|---|---|
| PAL | pathology laboratory; peptidyl-alpha-hydroxyglycine alpha-amidating lysine phase alteration plane; p... |
| PHLS | Public Health Laboratory Service |
| RALT | routine admission laboratory tests |
| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |