| R-C sign(spot) | Red Cherry sign(spot) |
|---|---|
| Rst | in paper or thin layer chromatography, the distance that a spot of a substance has moved, relative t... |
| FJS | finger joint size |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| ISI | infarct size index; initial slope index; injury severity index; Institute for Scientific Information... |