EXHIBIT 4.2 FOURTH AMENDMENT AGREEMENT FOURTH AMENDMENT AGREEMENT, dated as of March 31, 2003 (this "Amendment Agreement"), to the Amended and Restated Credit Agreement, dated as of May 14, 2001, as amended to date (and as the same may be further...Fourth Amendment Agreement • May 15th, 2003 • Microtek Medical Holdings Inc • Orthopedic, prosthetic & surgical appliances & supplies • New York
