title: Mallard reproductive testing in a pond environment: a preliminary study.
mesh_terms: D000818:Animals; D004390:Chlorpyrifos / Q000633:toxicity; D004372:Ducks / Q000502:physiology*; D005260:Female; D007306:Insecticides / Q000633:toxicity*; D008294:Malathion / Q000633:toxicity; D008297:Male; D012098:Reproduction / Q000187:drug effects*; D014873:Water Pollutants / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000633:toxicity*
chemical_list: D007306:Insecticides; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D004390:Chlorpyrifos; D008294:Malathion