| PBS | perfusion-pressure breakthrough syndrome; phenobarbital sodium; phosphate-buffered saline; planar bo... |
|---|---|
| PCS | palliative care service; Patient Care System; patterns of care study; pelvic congestion syndrome; ph... |
| SSI | segmental sequential irradiation; shoulder subluxation inhibition; small-scale integration; Social S... |
| SSR | site-specific recombination; somatosensory response; surgical supply room |
| STS | sequence tagged site; serologic test for syphilis; sodium tetradecyl sulfate; sodium thiosulfate; st... |