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Maldonado LA, Hamid ME, Gamal El Din OA, Goodfellow M.Maldonado LA, et al. Among authors: hamid me.J S Afr Vet Assoc. 2004 Sep;75(3):147-9. doi: 10.4102/jsava.v75i3.470.J S Afr Vet Assoc. 2004.PMID: 15628807