%0 Journal Article %A %T Third-line Treatment is Associated with Prolonged Survival in Patients with Extensive-Stage Small Cell Lung Cancer: A Single Center Experience %D 2020 %F %P 253-258 %V 4 %N 2 %R doi:10.14744/ejmi.2020.47601 %U https://dx.doi.org/10.14744/ejmi.2020.47601