title: Selenium toxicity to Daphnia magna, Hyallela azteca, and the fathead minnow in hard water.
mesh_terms: D000818:Animals; D003445:Crustacea / Q000187:drug effects*; D003621:Daphnia / Q000187:drug effects*; D005399:Fishes / Q000502:physiology*; D005618:Fresh Water; D007928:Lethal Dose 50; D012643:Selenium / Q000633:toxicity*; D013997:Time Factors
chemical_list: D012643:Selenium