| SP-A | surfactant protein A |
|---|---|
| SP-B | surfactant protein B |
| SPL | skin potential level; sound pressure level; splanchnic; spontaneous lesion; staphylococcal phage lys... |
| SRT | sedimentation rate test; simple reaction time; sinus node recovery time; sitting root test; speech r... |
| BLM | bilayer lipid membrane; bimolecular liquid membrane; bleomycin; buccolinguomasticatory |