00431nas a2200169   4500000000100000000000100001008004100002100001100043700001400054700001400068700001600082700001600098245011500114300001100229490000700240022001400247       2013                            d1 aH. Qiu1 aG. Rhoads1 aJ. Berlin1 aS. Marcella1 aK. Demissie00aInitial metformin or sulphonylurea exposure and cancer occurrence among patients with type 2 diabetes mellitus  a349-570 v15  a1462-8902