| IV | ichthyosis vulgaris; initial visit; interventricular; intervertebral; intravaginal; intravascular; i... |
|---|---|
| RTECS | Registry of Toxic Effects of Chemical Substances |
| SISS | Sentinel Injury Surveillance System [for Gunshot and Stab Wounds] small inducible secreted substance... |
| TSCA | Toxic Substances Control Act |