“Evaluation of the Outcomes of First-Line Drug Treatment for Small-Cell Lung Cancer in the Leningrad Region, 2020–2025: Results of a Single-Center Retrospective Analysis”. Voprosy Onkologii, vol. 72, no. 2, May 2026, p. OF-2477, https://doi.org/10.37469/0507-3758-2026-72-2-OF-2477.