00400nas a2200133   4500000000100000008004100001100001900042700001600061700002100077245013700098300000900235490000800244022001400252       2013                            d1 aY. Vinogradova1 aC. Coupland1 aJ. Hippisley-Cox00aExposure to bisphosphonates and risk of gastrointestinal cancers: series of nested case-control studies with QResearch and CPRD data  af1140 v346  a0959-8138