| SAO | small airway obstruction; splanchnic artery occlusion; subvalvular aortic obstruction |
|---|---|
| SBF | serologic-blocking factor; specific blocking factor; splanchnic blood flow |
| SPL | skin potential level; sound pressure level; splanchnic; spontaneous lesion; staphylococcal phage lys... |
| CSN | cardiac sympathetic nerve; carotid sinus nerve |
| NE | national emergency; necrotic enteritis; necrotizing enterocolitis; nephropathia epidemica; nerve end... |