Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) INOUE A,Randomized phase II trial comparing amrubicin with topotecan in patients with previously treated small-cell lung cancer : North Japan Lung Cancer Study Group Trial 0402,J Clin Oncol,,,2008,26,,5401-5406,https://cir.nii.ac.jp/crid/1571417125002056192,