| PGSR | phosphogalvanic skin response |
|---|---|
| POEMS | polyneuropathy, organomegaly, endocrinopathy, M protein, skin changes [syndrome] |
| REEDS | retention of tears, ectrodactyly, ectodermal dysplasia, and strange hair, skin and teeth [syndrome] |
| RSTL | relaxed skin tension lines |
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |