High Prevalence of Hb Riccarton Challenges HbA1c Analysis in a Danish Clinical Laboratory Using the Tosoh G11. - Stangerup, Ida; Glenthøj, Andreas; Brøns, Nanna; Lund Witte, Majbritt; Birger Pedersen, Ole; Erikstrup, Christian; Petersen, Jesper; Rye Ostrowski, Sisse; Hillig, Thore (Hemoglobin, 2025)