Achieving, maintaining and improving accuracy, timeliness and reliability are major challenges for health laboratories. Countries worldwide committed themselves

Both the 17025:1999 standard and especially ANSI/ISO/ASQ,9001-2000 standard require that a laboratory document its procedures for obtaining reliable results. Th

xii a second edition might be in order, and readily agreed. Although the basic principles remain the same, discussions with analysts, laboratory supervisors, an