Estimating the prevalence of inflammatory bowel disease in Portugal using a pharmaco-epidemiological approach

Azevedo LF, Magro F, Portela F, Lago P, Deus J, Cotter J, Cremers I, Vieira A, Peixe P, Caldeira P, Lopes H, Gonçalves R, Reis J, Cravo M, Barros L, Ministro P, Lurdes M, Duarte A, Campos M, Carvalho L, Costa-Pereira A. Estimating the prevalence of inflammatory bowel disease in Portugal using a pharmaco-epidemiological approach. Pharmacoepidemiol Drug Saf. 2010; 19(5): 499-510.