Metformin use and survival in people with ovarian cancer: A population-based cohort study from British Columbia, Canada oleh Paramdeep Kaur, Andrew Berchuck, Anne Chase, Bronwyn Grout, Cindy McKinnon Deurloo, Leigh C. Pearce, Malcolm C. Pike, Jean Richardson, Kathryn L. Terry, Penelope M. Webb, Gillian E. Hanley