| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
|---|---|
| NYHA | New York Heart Association Heart Disease¿¡ ´ëÇÑ Functional Classification &nbs... |
| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |