title: Toxicities of paraquat and diquat herbicides to freshwater copepods (Diaptomus sp. and Eucyclops sp.).
mesh_terms: D000818:Animals; D003445:Crustacea / Q000187:drug effects*; D004178:Diquat / Q000633:toxicity*; D007928:Lethal Dose 50; D010269:Paraquat / Q000633:toxicity*; D011726:Pyridinium Compounds / Q000633:toxicity*; D013696:Temperature; D013997:Time Factors
chemical_list: D011726:Pyridinium Compounds; D004178:Diquat; D010269:Paraquat