%0 Journal Article %A %T Irinotecan and Ifosfamide Combination is an Effective and Safe Option in Patients with Refractory Small Cell Lung Cancer: A Retrospective Cross-Sectional Study %D 2020 %F %P 172-176 %V 4 %N 2 %R doi:10.14744/ejmo.2020.15578 %U https://dx.doi.org/10.14744/ejmo.2020.15578