Penttilä I., Gävert J., Julkunen A., and Tantanen T. “Quality Control and Quality Requirements for the Measurement of Glycated Hemoglobin”. Upsala Journal of Medical Sciences 95, no. 3 (September 1, 1990): 291-297. Accessed May 2, 2024. https://ujms.net/index.php/ujms/article/view/6787.