A. D. StephensM. AngastiniotisE. BaysalV. ChanS. FucharoenP. C. GiordanoJ. D. HoyerA. MoscaB. WildUCLDubai Health AuthorityThe University of Hong KongMahidol UniversityLeiden University Medical Center - LUMCMayo Medical SchoolUniversita degli Studi di MilanoUK NEQAS (H)2018-06-112018-06-112012-02-01International Journal of Laboratory Hematology. Vol.34, No.1 (2012), 1-131751553X175155212-s2.0-84155184261https://repository.li.mahidol.ac.th/handle/20.500.14594/13817Although DNA analysis is needed for characterization of the mutations that cause β-thalassaemia, measurement of the Hb A 2 is essential for the routine identification of people who are carriers of β-thalassaemia. The methods of quantitating Hb A 2 are described together with pitfalls in undertaking these laboratory tests with particular emphasis on automated high-performance liquid chromatography and capillary electrophoresis. © 2011 Blackwell Publishing Ltd.Mahidol UniversityBiochemistry, Genetics and Molecular BiologyMedicineArticleSCOPUS10.1111/j.1751-553X.2011.01368.x