García Martínez, Montse; Schiaffino, Anna; Fernández, Esteve; Martí, Mercè; Saltó i Cerezuela, Esteve; Pérez Albarracín, Glòria; Peris, Mercè; Borrell i Thió, Carme; Nieto, F. Javier; Borràs, Josep M.
(BioMed Central, 2003)
Background: The aim of this report is to describe the main characteristics of the design, including response rates, of the Cornella Health Interview Survey Follow-up Study. Methods: The original cohort consisted of 2,500 ...