| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
|---|---|
| ETC | electron transport chain; esophageal tracheal combitude; estimated time of conception |
| ETc | corrected ejection time |
| R1, R2, R3, etc. | years of resident study |
| PROM | 1) Premature Rupture of Amniotic Membrane; < Labor Onset 2) Preterm Ruptu... |