Approval summary: Imatinib mesylate in the treatment of metastatic and/or unresectable malignant gastrointestinal stromal tumors. - Dagher,R.; Cohen,M.; Williams,G.; Rothmann,M.; Gobburu,J.; Robbie,G.; Rahman,A.; Chen,G.; Staten,A.; Griebel,D.; Pazdur,R. (Clin Cancer Res, 2002)