| CSA | Canadian Standards Association; canavaninosuccinic acid; carbonyl salicylamide; cell surface antigen... |
|---|---|
| CSI | calculus surface index; cancer serum index; cavernous sinus infiltration; cervical spine injury; che... |
| CSIN | Chemical Substances Information Network |
| ECR | effectiveness-cost ratio; electrocardiographic response; emergency care research; emergency chemical... |
| EINECS | European Inventory of Existing Commercial Chemical Substances |