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http://www.experteditorial.net/securitysquared/2009/06/one-person-one-identity-one-credential-converging-logical-physical-identity-and-access-management--.html
HEALTHCARE INFORMATICS- One-on-One with Parkview Adventist Medical Center CIO Bill McQuaid, Part III
http://www.experteditorial.net/securitysquared/2009/07/lenels-erik-larsen-on-converging-physicallogical-identities.html#more