| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
|---|---|
| NCS | National Collaborative Study; neocarcinostatin; nerve conduction study; newborn calf serum; no conce... |
| AC/BC | air conduction/bone conduction [time ratio] |
| NCVS | nerve conduction velocity study |
| EF study | Ejection-Fraction study |