@article{:/content/10.2807/ese.16.43.19997-en, author = "Cilla, G and Montes, M and Artieda, J and Piñeiro, L and Arriola, L and Pérez-Trallero, E", title = "Measles genotypes D4 and G3 reintroduced by multiple foci after 15 years without measles virus circulation, Gipuzkoa, the Basque Country, Spain, March to June 2011", journal = "Eurosurveillance", year = "2011", volume = "16", number = "43", eid = 19997, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/ese.16.43.19997-en", doi = "https://doi.org/10.2807/ese.16.43.19997-en" }