Jane Green, Gabriela Czanner, Gillian Reeves, Joanna Watson, Lesley Wise, Valerie Beral et al
Green J, Czanner G, Reeves G, Watson J, Wise L, Beral V et al.
Oral bisphosphonates and risk of cancer of oesophagus, stomach, and colorectum: case-control analysis within a UK primary care cohort
BMJ 2010; 341 :c4444
doi:10.1136/bmj.c4444