Impact of legislation and a prescription monitoring program on the prevalence of potentially inappropriate prescriptions for monitored drugs: a time series analysis
Gomes T, Juurlink D, Yao Z, Camacho X, Paterson M, Singh S, Dhalla I, Sproule B, Mamdani M. CMAJ Open. 2014; 2(4):E256-61. Epub 2014 Oct 1.