00493nas a2200157   4500000000100000008004100001100001400042700001200056700001400068700001800082700001400100700001400114700001700128245017600145022001400321       2019                            d1 aR. Farmer1 aD. Ford1 aR. Mathur1 aN. Chaturvedi1 aR. Kaplan1 aL. Smeeth1 aK. Bhaskaran00aMetformin 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  a0300-5771