| SPF | skin protection factor; specific-pathogen free; spectrophotofluorometer; S-phase fraction; split pro... |
|---|---|
| SUN | standard unit of nomenclature; serum urea nitrogen |
| LAMP | lysosome-associated membrane protein |
| SL | sarcolemma; sclerosing leukoencephalopathy; secondary leukemia; segment length; sensation level; sen... |
| SLE | slit lamp examination; St. Louis encephalitis; systemic lupus erythematosus |