TY - JOUR AU - Green, J; Czanner, G; Reeves G et, a TI - Oral bisphosphonates and risk of cancer of oesophagus, stomach, and colorectum: case-control analysis within a UK primary care cohort JO - BMJ VL - 341 PY - 2010 DO - 10.1136/bmj.c4444 L3 - PubMed-ID: 20813820 SP - c4444 ER -