00436nas a2200157   4500000000100000000000100001008004100002100001400043700001700057700001200074700001600086245014500102300001100247490000600258022001400264       2012                            d1 aE. Wright1 aP. Schofield1 aP. Seed1 aM. Molokhia00aBisphosphonates and risk of upper gastrointestinal cancer\textendasha case control study using the General Practice Research Database (GPRD)  ae476160 v7  a1932-6203