| M1 | mitral first [sound]; myeloblast; slight dullness |
|---|---|
| P2 | pulmonic second sound |
| SL | sarcolemma; sclerosing leukoencephalopathy; secondary leukemia; segment length; sensation level; sen... |
| SLM | sound level meter |
| SPL | skin potential level; sound pressure level; splanchnic; spontaneous lesion; staphylococcal phage lys... |