Zhang H, Dong G, lv L. Efficacy of Apatinib Combined with Etoposide for Maintenance Therapy in Extensive Stage Small Cell Lung Cancer. Nep. J. Cancer [Internet]. 2024 Jul. 30 [cited 2024 Nov. 21];8(1):9-16. Available from: https://nepjol.info/index.php/njc/article/view/68228