BMJ Open, 7(6). BMJ Publishing Group Molenaar, R J, Coelen, R J S, Khurshed, M, Roos, E, Caan, M W A, van Linde, M E, Kouwenhoven, M, Bramer, J A M, Bovée, J V M G, Mathôt, R A, Klümpen, H-J, van Laarhoven, H W M, van Noorden, C J F, Vandertop, W P, Gelderblom, H, van Gulik, T M & Wilmink, J W 2017, ' Study protocol of a phase IB/II clinical trial of metformin and chloroquine in patients with-mutated or-mutated solid tumours ', BMJ Open, vol. 7, no. 6, pp. e014961 . https://doi.org/10.1136/bmjopen-2016-014961