Lytken Larsen , M., Hyltoft Petersen , P. and Fraser , C. G. (1993) “6.1.2.2 Quality Specifications for Haemoglobin A1c Assays in the Monitoring of Diabetes”, Upsala Journal of Medical Sciences, 98(3), pp. 335-338. doi: 10.3109/03009739309179329.