Harahap, S. P. A., N. N. Soeroso, S. P. Tarigan, N. Nainggolan, and E. Mutiara. “The Difference in Carboxyhemoglobin Levels in Blood Between Grilled and Non-Grilled Food Vendors in Medan, Indonesia”. Open Access Macedonian Journal of Medical Sciences, vol. 10, no. T7, Mar. 2022, pp. 180-4, doi:10.3889/oamjms.2022.9287.