title: Visual cues for illness-induced aversions in the pigeon.
mesh_terms: D000818:Animals; D001245:Association Learning / Q000187:drug effects; D001362:Avoidance Learning / Q000187:drug effects; D002755:Choice Behavior / Q000187:drug effects; D003118:Color Perception; D010856:Columbidae; D003463:Cues; D008094:Lithium / Q000633:toxicity
chemical_list: D008094:Lithium