RT Journal Article SR Electronic(1) A1 Tortajada, C A1 de Olalla, P G A1 Pinto, R M A1 Bosch, A A1 Caylà, J YR 2009 T1 Outbreak of hepatitis A among men who have sex with men in Barcelona, Spain, September 2008 – March 2009 JF Eurosurveillance VO 14 IS 15 SP 19175 OP DO https://doi.org/10.2807/ese.14.15.19175-en UL https://www.eurosurveillance.org/content/10.2807/ese.14.15.19175-en