| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
|---|---|
| PPD | packs per day; paraphenylenediamine; percussion and postural drainage; permanent partial disability;... |
| PPI | partial permanent impairment; patient package insert; present pain intensity; purified porcine insul... |
| RI | Regular Insulin |
| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |