The relevance of molecular genotyping to allocate cases in a suspected outbreak of Legionella pneumonia in patients with prolonged immunosuppressive therapy oleh Paola Borella, Elena Vecchi, Federica Incerti, Isabella Marchesi, Marisa Meacci, Giuseppina Frezza, Giulia Fregni Serpini, Antonella Mansi, Stefania Paduano, Annalisa Bargellini