title: Behavioral tolerance.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D004347:Drug Interactions; D004361:Drug Tolerance; D004777:Environment; D011955:Receptors, Drug / Q000502:physiology; D012055:Reinforcement Schedule; D012107:Research Design
chemical_list: D011955:Receptors, Drug