title: Acute toxicity of copper and its probable effect on thyroid of the fry of Ophiocephalus punctatus Bloch.
mesh_terms: D000818:Animals; D003300:Copper / Q000633:toxicity*; D004305:Dose-Response Relationship, Drug; D005399:Fishes; D006980:Hyperthyroidism / Q000139:chemically induced*; D013961:Thyroid Gland / Q000187:drug effects / Q000473:pathology*
chemical_list: D003300:Copper