Drugs and Chemicals
Written by NCI Thesaurus v.07.09d   
Definition of Drugs and Chemicals
A category of organic or inorganic substances, elements, and isotopes used in research or for the prevention, diagnosis, and /or treatment of disease states. Includes biologically active substances that are either synthetically manufactured or endogenous substances extracted and processed to be reintroduced into an organism. Chemicals and drugs also include hazardous substances, and naturally occurring or synthetically produced substances required to maintain life. (NCI04)

Drugs and Chemicals is from the group

root node

Other Names for Drugs and Chemicals

Drug, Food, Chemical or Biomedical Material


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