TY - STAND AU - E. Wright AU - P. Schofield AU - P. Seed AU - M. Molokhia BT - PLoS One DO - 10.1371/journal.pone.0047616 M1 - 10 PY - 2012 EP - e47616 T2 - PLoS One TI - Bisphosphonates and risk of upper gastrointestinal cancer\textendasha case control study using the General Practice Research Database (GPRD) VL - 7 SN - 1932-6203 ER -