José A. Sepúlveda William J. Thompson Felipe F. Baesler María I. Alvarez Lonnie E. Cahoon The use of simulation for process improvement in a cancer treatment center. 1541-1548 1999 Winter Simulation Conference http://portal.acm.org/citation.cfm?id=324898.325318 db/conf/wsc/wsc1999-2.html#SepulvedaTBAC99