1. Oestradiol assays: fitness for purpose?;Middle;Ann Clin Biochem,2009
2. Harmonized guidelines for single laboratory validation of methods of analysis (IUPAC technical report);Thompson;Pure Appl Chem,2002
3. Standardisation - the theory and the practice;Tate;Clin Biochem Rev,2007
4. BIVDA. Directive 98/79/EC of the European Parliament and of the Council of 27 October 1998 on in vitro diagnostic medical devices. Official Journal of the European Communities 1998;41:L331/331-L331/337.
5. BIVDA. Revision of Directive 98/79/EC of the European Parliament and of the Council of 27 October 1998 on in vitro diagnostic medical devices. Public consultation. European Commission, Health and Consumers Directorate-General. Official Journal of the European Communities 2010(June 2010).