RT Journal Article SR Electronic T1 Efficacy of metformin in combination with immune checkpoint inhibitors (anti-PD-1/anti-CTLA-4) in metastatic malignant melanoma JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP 64 DO 10.1186/s40425-018-0375-1 VO 6 IS 1 A1 Afzal, Muhammad Zubair A1 Mercado, Rima R. A1 Shirai, Keisuke YR 2018 UL http://jitc.bmj.com/content/6/1/64.abstract AB Markup server — Error Not Found The page you were trying to reach could not be found. Please check the address for the page you were trying to reach. If you believe you have reached this page in error, you may contact us with any questions.