Measles outbreak in the Barcelona Region of Catalonia, Spain, October 2006 to February 2007.

N. Torner, A. Martinez, J. Costa, M. Mosquera, I. Barrabeig, A. Rovira, C. Rius, J. Cayla, E. Plasencia, I. Parron, M. R. Sala, C. Arias, A. Dominguez, C. Cabezas, A. Plasencia