Balakrishnan B, Dhandapani M, Pitchaikutti S, Sivamani G. IMPROVING THE EFFICACY OF CYCLOPHOSPHAMIDE BY USING VERAPAMIL AS A P-GLYCOPROTEIN INHIBITOR IN BREAST CARCINOMA. J. Drug Delivery Ther. 2018;8(5):349-353. doi:10.22270/jddt.v8i5.1927