title: Overview of the field: environmental factors affecting chemical or drug effects in animals.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory / Q000502:physiology*; D001711:Biotransformation; D004032:Diet; D004777:Environment; D008027:Light; D010507:Periodicity; D004364:Pharmaceutical Preparations; D010600:Pharmacology; D013696:Temperature; D013997:Time Factors
chemical_list: D004364:Pharmaceutical Preparations