title: To the editor.
authors.affiliation: University of Toronto at Scarborough, Toronto, Ontario, Canada.
authors.forename: James M
authors.initials: JM
authors.lastname: Armitage
mesh_terms: D000818:Animals; D007306:Insecticides / Q000633:toxicity*; D026023:Permethrin / Q000633:toxicity*; D011722:Pyrethrins / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000633:toxicity*
chemical_list: D007306:Insecticides; D011722:Pyrethrins; D014874:Water Pollutants, Chemical; D026023:Permethrin