| PSIS | Posterior Superior Iliac Spine; 상후장골극, 위뒤장골가시 |
|---|---|
| PIIS | posterior inferior iliac spine |
| PNS | paraneoplastic syndrome; parasympathetic nervous system; partial nonprogressive stroke; peripheral n... |
| PSIS | posterior sacroiliac spine |
| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |