SILALAHI, Y.; RICKE LOESNIHARI. Relationship of HbA1c to Diabetic Retinopathy in Type 2 DM Patients at Haji Adam Malik General Hospital 2017-2018. Sumatera Medical Journal, [S. l.], v. 3, n. 3, 2021. DOI: 10.32734/sumej.v3i3.3626. Disponível em: https://idjpcr.usu.ac.id/smj/article/view/3626. Acesso em: 5 aug. 2025.