| 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 |
| AIDS | Acquired Immuno(Immune)-Deficiency Syndrome; 후천성 면역 결핍 증후군 |