Here are entered works on testing the effectiveness or safety of drugs. Works on testing to identify the personal use or misuse of drugs are entered under Drug testing. Technical works on chemical analysis to determine the composition or presence of drugs are entered under Drugs--Analysis. --subdivision Testing under individual drugs and groups of drugs; and subdivision Therapeutic use--Testing under individual chemicals and groups of chemicals, e.g. Copper--Therapeutic use--Testing; Insulin--Therapeutic use--Testing
