Jason Reid Ian Cheong Matthew Henricksen Jason Smith A Novel Use of RBAC to Protect Privacy in Distributed Health Care Information Systems. 403-415 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2727&spage=403 2003 conf/acisp/2003 ACISP db/conf/acisp/acisp2003.html#ReidCHS03