Safutra, A. et al. 2025. The Relationship Between Long-Term Type 2 Diabetes Mellitus and Urea Levels at the Sidomulyo Community Health Center in Samarinda. MMLTJ (Mahakam Medical Laboratory Technology Journal). 5, 1 (Oct. 2025), 46–54. DOI:https://doi.org/10.35963/analis.v5i1.223.