title: Introduction: Schedules of termination of drug injections.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D004334:Drug Administration Schedule; D004597:Electroshock; D000882:Haplorhini; D006801:Humans; D007267:Injections; D009294:Narcotics / Q000494:pharmacology; D013375:Substance Withdrawal Syndrome
chemical_list: D009294:Narcotics