| 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... |
| MSM | medium-size molecule; mineral salts medium |
| NSS | normal saline solution; normal size and shape; not statistically significant; nutrition support serv... |