Junttila A, Väyrynen JP, Ahtiainen M, Kuopio T, Mrena J, Sihvo E, et al. Immune cell score, PD-L1 expression and prognosis in esophageal cancer. AO [Internet]. 2021 Apr. 3 [cited 2026 Apr. 29];60(4):544-8. Available from: https://medicaljournalssweden.se/actaoncologica/article/view/21483