The gefitinib long-term responder (LTR)—A cancer stem-like cell story? Insights from molecular analyses of German long-term responders treated in the IRESSA expanded access program (EAP)Sandra Gottschling, Roland Penzel, Jürgen R. Fischer et al.|Lung Cancer|2012Cited by 13
KRAS-Mutation Positive, Metastatic Tonsil Carcinoma With Cancer Stem-Like Cell Features and Long-Term Response to Gefitinib: A Case Report and Review of the LiteratureSandra Gottschling, Thomas Kuhnt, Roland Penzel et al.|Journal of Clinical Oncology|2011Cited by 6