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Exposure of honey bees (Apis mellifera L.) to Organophosphorous insecticides in Saskatchewan, Canada
Journal article published in 2014 by
Yahya Al Naggar,
Anja Vogt,
Garry Codling,
Elsaied Naiem,
Mohamed Mona,
Amal Seif,
Albert Robertson,
John P. Giesy,
Yahya Alnaggar 
