@misc{8948, author = {P. Korhonen and E. Heintjes and R. Williams and F. Hoti and S. Christopher and M. Majak and L. Kool-Houweling and H. Strongman and M. Linder and P. Dolin and S. Bahmanyar}, title = {Pioglitazone use and risk of bladder cancer in patients with type 2 diabetes: retrospective cohort study using datasets from four European countries}, year = {2016}, journal = {Bmj}, volume = {354}, pages = {i3903}, issn = {0959-8138}, doi = {10.1136/bmj.i3903}, }