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Abou Gamra MM, Elwakil HS, El Deeb HK, Khalifa KE, Abd Elhafiz HE.Abou Gamra MM, et al. Among authors: elwakil hs.Parasitol Res. 2011 May;108(5):1139-46. doi: 10.1007/s00436-010-2156-8. Epub 2010 Dec 7.Parasitol Res. 2011.PMID: 21136081