Media type: E-Article Title: Role of the tumor microenvironment in the activity and expression of the p-glycoprotein in human colon carcinoma cells Contributor: Lotz, Christopher; Kelleher, Debra; Gassner, Birgit; Gekle, Michael; Vaupel, Peter; Thews, Oliver imprint: Spandidos Publications, 2007 Published in: Oncology Reports Language: Not determined DOI: 10.3892/or.17.1.239 ISSN: 1021-335X; 1791-2431 Keywords: Cancer Research ; Oncology ; General Medicine Origination: Footnote: Access State: Open Access