EXHIBIT 2.3 AMENDMENT AND SUPPLEMENT This letter, dated August 31, 2001, shall serve as an amendment and supplement to the agreement, dated as of August 1, 2001 by and among BlueStone Capital Corp. ("BlueStone") and HealthStar Corp., on the one hand,...Amendment and Supplement • September 17th, 2001 • Healthstar Corp /Ut/ • Hospital & medical service plans
