Gétaz, L., Rieder, J., Kramer, M. and Kossovsky, M. 2011. Improvement of measles immunity among migrant populations: lessons learned from a prevalence study in a Swiss prison. Swiss Medical Weekly. 141, 2526 (Jun. 2011), w13215. DOI:https://doi.org/10.4414/smw.2011.13215.