| PLES | parallel-line equal space |
|---|---|
| PTA | parallel tubular arrays; parathyroid adenoma; percutaneous transluminal angioplasty; peroxidase-labe... |
| SL | sarcolemma; sclerosing leukoencephalopathy; secondary leukemia; segment length; sensation level; sen... |
| SLE | slit lamp examination; St. Louis encephalitis; systemic lupus erythematosus |
| SVS | slit ventricle syndrome; Society for Cardiovascular Surgery |