Measles outbreak in the Barcelona Region of Catalonia, Spain, October 2006 to February 2007 Torner, N and Martinez, A and Costa, J and Mosquera, M M and Barrabeig, I and Rovira, A and Rius, C and Cayla, J and Plasència, E and Parrón, I and Sala, R and Arias, C and Domínguez, A and Cabezas, C and Plasencia, A, Weekly releases (1997–2007), 12, 3144 (2007), https://doi.org/10.2807/esw.12.08.03144-en