title: The effects of melatonin treatment on gonosomatic index in the teleost, Fundulus similis, and the tree frog, Hyla cinerea.
mesh_terms: D000818:Animals; D001001:Anura / Q000502:physiology*; D005260:Female; D005399:Fishes / Q000502:physiology*; D008297:Male; D008550:Melatonin / Q000494:pharmacology*; D009929:Organ Size; D010053:Ovary / Q000187:drug effects*; D010775:Photic Stimulation; D012621:Seasons; D013737:Testis / Q000187:drug effects*
chemical_list: D008550:Melatonin