Harris, Sophie M., Philippa G. McFarlane, Henrietta Mulnier, and Stephanie A. Amiel. 2016. “Is Numeracy a Barrier to Glycaemic Control in Type 1 Diabetes Mellitus? A Synthesis of Current Literature”. International Diabetes Nursing 13 (1):55-66. https://doi.org/10.1080/20573316.2016.1274556.