Characterization of c-kit expression in small cell lung cancer: Prognostic and therapeutic implications. - Micke,P.; Basrai,M.; Faldum,A.; Bittinger,F.; Ronnstrand,L.; Blaukat,A.; Beeh,K.M.; Oesch,F.; Fischer,B.; Buhl,R.; Hengstler,J.G. (Clin Cancer Res, 2003)