| 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... |
| PFC | Persistent Fetal Circulation; 태아 순환 지속증 = PPHN |
| AABCC | alertness (consciousness), airway, breathing, circulation, cervical spine |