Erdogu, V., Kutluk, A.C., Pekcolaklar, A., Aker, C., Sansar, D., Onay, S., Saydam, O. and Metin, M. 2021. Prognostic factors and classification of pathological single and multiple N1 in non-small cell lung cancer patients. Annals of Medical Research. 28, 11 (Nov. 2021), 2032–2038.