Research ArticleOpen accessIn the keywordsSecurity Extensible Access Control Markup Language Policy Integration Based on Role-Based Access Control Model in Healthcare Collaborative EnvironmentsTeo Poh Kuang, Hamidah Ibrahim, Nur Izura Udzir, Fatimah SidiAmerican Journal of Economics and Business Administration, Vol. 3, Issue 1 · 26 Jan 2011 · 9,067 accessesView PDFCite