N. . Lyhne Christensen, A. . Mette Tranberg Kejs, E. . Jakobsen, S. . Oksbjerg Dalton, and T. Riis Rasmussen, “Early death in Danish stage I lung cancer patients: a population-based case study”, AO, vol. 57, no. 11, pp. 1561–1566, Dec. 2018.