Venkatraman, Bala, Venkatesh, and Bates. "Six Strategies for Electronic Medical Records System." Communications of the ACM. 51:11. 2008:140-144. Link
Additional readings:
Hristidis, Clarke, et. all. "A Flexible Approach for Electronic Medical Records Exchange." HIKM '06. 2006:33-40. Link Nisanbayev, Na, Lim, and Ko. "Designing an Electronic Medical Records System Using Design Patterns." ICIS 2009. 2009. Link