title: Effect of lead and zinc on the erythropoiesis of catfish.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D004906:Erythrocyte Count; D004920:Erythropoiesis / Q000187:drug effects*; D005399:Fishes / Q000097:blood*; D007854:Lead / Q000633:toxicity*; D013997:Time Factors; D015032:Zinc / Q000633:toxicity*
chemical_list: D007854:Lead; D015032:Zinc