| PPR | physician-patient relation; physician payment reform; posterior primary ramus; Price precipitation r... |
|---|---|
| ppt | parts per trillion; precipitation, precipitate; prepared |
| precip | precipitate, precipitated, precipitation |
| PTLC | precipitation thin-layer chromatography |
| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |