Hemoglobin fraction quantitation with Capillarys 2 FP HbA1c mode in patients with known sickle cell disease​Olav Klingenberg Bente Fjeld Ingunn B. O. Lundbye a Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norwayb Institute of Clinical Medicine, University of Oslo, Oslo, Norwayon May 13, 2026 at 3:57 am