Linking of primary care records to census data to study the association between socioeconomic status and cancer incidence in Southern Europe: a nation-wide ecological study by Garcia-Gil, M, Elorza, J, Banque, M, Comas-Cufí, M, Blanch, J, Ramos, R, Méndez-Boo, L, Hermosilla, E, Bolibar, B, Prieto-Alhambra, D

The descriptive epidemiology of rheumatoid arthritis in Catalonia: a retrospective study using routinely collected data. by Fina-Aviles, F, Medina-Peralta, M, Mendez-Boo, L, Hermosilla, E, Elorza, J, Garcia-Gil, M, Ramos, R, Bolibar, B, Javaid, M, Edwards, C, Cooper, C, Arden, N, Prieto-Alhambra, D