H. A. Silitonga, J. M. Siahaan, and E. J. Anto, “Correlation between Obesity and Lipid Profile in Type 2 Diabetes Mellitus Patients at the Endocrine and Metabolic Polyclinic in General Hospital Pirngadi Medan”, Open Access Maced J Med Sci, vol. 7, no. 8, pp. 1309–1313, Apr. 2019.