title: Logic versus imagination in an experimental analysis.
mesh_terms: D000663:Amphibians / Q000502:physiology; D000818:Animals; D001325:Autobiographies as Topic; D001683:Biological Clocks; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D007092:Imagination; D008128:Logic; D008675:Metamorphosis, Biological / Q000187:drug effects; D009490:Neurosecretory Systems / Q000502:physiology; D010902:Pituitary Gland / Q000196:embryology / Q000502:physiology; D012107:Research Design; D012586:Science; D013961:Thyroid Gland / Q000196:embryology; D013974:Thyroxine / Q000494:pharmacology
chemical_list: D013974:Thyroxine