1. International Organization for Standardization (2003) Medical laboratories – Particular requirements for quality and competence. ISO 15189. ISO, Geneva, Switzerland
2. International Organization for Standardization (2000) Quality management systems – Fundamentals and vocabulary. ISO 9000. ISO, Geneva, Switzerland
3. Bundersärztekammer. Richtlinie der Bundesärztekammer zur Qualitätssicherung quantitativer laboratoriumsmedizinischer Untersuchungen. Beschluss des Vorstandes der Bundesärztekammer vom 24.08.2001 [Accessed 2006-03-13]
4. Centers for Medicare & Medicaid Services. Clinical Laboratory Improvement Amendments. [Accessed 2006-03-13]
5. ISO/DIS 15196 (2001) Technical report: determination on analytical performance goals for laboratory procedures based on medical requirements. ISO, Geneva, Switzerland