Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tazawa Yuki and Usukubo Ippei and Takada Kazuki and Takekuma Yoh and Shibayama Yoshihiro and Sugawara Mitsuru,Schedule-Dependent Cytotoxicity of Etoposide and Cyclophosphamide in P-Glycoprotein-Expressing Human Leukemic K-562 Cells,Biological and Pharmaceutical Bulletin,09186158,The Pharmaceutical Society of Japan,2014,37,8,1323-1329,https://cir.nii.ac.jp/crid/1390282679608921472,https://doi.org/10.1248/bpb.b14-00207