Khamphikham, P. ., M. . Punyamung, and S. . Pornprasert. “Changes in HbA2 Levels May Signify Hemoglobin Defects in Infants”. Siriraj Medical Journal, vol. 73, no. 5, Aug. 2021, pp. 354-6, doi:10.33192/Smj.2021.46.