Title Item Type No Grouping Farmer, R; Bhaskaran, K; Eastwood, SV and Mathur, R (2018). Clinical code lists for: "Metformin use and risk of cancer in patients with type 2 diabetes: A cohort study of primary care records using inverse probability weighting of marginal structural models". [Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. 10.17037/DATA.00000667.