--headings beginning with the word Drug; also individual drugs and groups of drugs, e.g. Narcotics; also subdivision Therapeutic use under individual chemicals and groups of chemicals, e.g. Copper--Therapeutic use; Insulin--Therapeutic use; and subdivision Drug use under names of individual persons and under classes of persons and ethnic groups
2
-- See Also the narrower term Poisons Works on the poisonous influence of individual chemical substances on man and animals are entered under the substance with the subdivision Toxicology, e.g. Mercury--Toxicology; Phosphorus--Toxicology.Works on the effect of poisons on plants are entered under Plants, Effect of poisons on; Plants, Effect of arsenic on; and similar headings. --individual poisons; also headings beginning with the word Poison
