Soeroso, N., Zain-Hamid, R., Bihar, S., Tarigan, S.P. and Ananda, F.R. 2021. Genetic Polymorphism of Cyp2a6 and Cyp2a13 Genes and Environmental Tobacco Smoke Induced Lung Cancer Risk in Indonesian Female Never Smokers. Open Access Macedonian Journal of Medical Sciences. 9, A (Dec. 2021), 1219–1225. DOI:https://doi.org/10.3889/oamjms.2021.6069.