00388nas a2200169   4500000000100000000000100001008004100002100001400043700001400057700001300071700001200084700001300096245007700109300001000186490000800196022001400204       2011                            d1 aM. Bodmer1 aC. Becker1 aC. Meier1 aS. Jick1 aC. Meier00aUse of metformin and the risk of ovarian cancer: a case-control analysis  a200-40 v123  a0090-8258