Ducarroz, Simon, Maria E. Leon, Anne-Marie Schott, Søren Friis, Christoffer Johansen, and Joachim Schüz. “Are Male Immigrants in Denmark at Lower or Higher Risk of Tobacco-Related Cancers? A Danish Nationwide Cohort Study”. Acta Oncologica 54, no. 8 (September 14, 2015): 1128–1135. Accessed February 21, 2025. https://medicaljournalssweden.se/actaoncologica/article/view/26400.