Role-Based Authorization in Decentralized Health Care Environments. - Gail-Joon Ahn; Badrinath Mohan (SAC, 2003)

Secure Information Sharing Using Role-based Delegation. - Gail-Joon Ahn; Badrinath Mohan (ITCC (2), 2004)

Towards secure information sharing using role-based delegation. - Gail-Joon Ahn; Badrinath Mohan; Seng-Phil Hong (J. Netw. Comput. Appl., 2007)