Mason, K. J., Ali, H., Reynolds, N. J., Burden, A. D., Smith, C. H., Evans, I., …Griffiths, C. E. . M. (2017, August). Completeness of reporting of overnight hospitalisations to a psoriasis pharmacovigilance register and the National Health Service Wales Informatics Service. Paper presented at 33rd International Conference on Pharmacoepidemiology & Therapeutic Risk Management, Palais de Congres de Montreal, Montreal, Canada