Research ArticleOpen accessIn the keywordsHospital Water Supply as a Potential Source of Opportunistic PathogensH. T. El-Zanfaly, N. A. Hassanean, E. M. Hassan, L. I. El-SeadawyAmerican Journal of Environmental Sciences, Vol. 8, Issue 3 · 18 May 2012 · 7,274 accessesView PDFCite