| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
|---|---|
| SOC | sequential oral contraceptive; Standard Occupational Classification; standards of care; synovial ost... |
| SY | spectroscopy; syphilis, syphilitic |
| syph | syphilis, syphilitic |
| AV node | Atrio-Ventricular node; 방실 결절 0.1 sec Delay |