Laurent Azoulay, Hui Yin, Kristian B Filion, Jonathan Assayag, Agnieszka Majdan, Michael N Pollak et al
Azoulay L, Yin H, Filion K B, Assayag J, Majdan A, Pollak M N et al.
The use of pioglitazone and the risk of bladder cancer in people with type 2 diabetes: nested case-control study
BMJ 2012; 344 :e3645
doi:10.1136/bmj.e3645