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To offer the best possible care for their patients, family physicians need coordinated data obtained from the physicians own patient database, from other physicians database, pharmacies, and drug reference databases. P2P-based sharing systems have been actively researched to enable resource sharing between multiple heterogeneous healthcare enterprises. Unfortunately, P2P system introduces a whole new class of privacy and security threats and in order to enable resource sharing between multiple heterogeneous healthcare enterprises, a policy management framework is required. To solve these problems in a loose-coupling way, we propose a dynamic, distributed and heterogeneous policy management framework for sharing medical information among autonomous and disparate healthcare information systems.