Intraclonal Genome Stability of the Metallo-β-lactamase SPM-1-producing Pseudomonas aeruginosa ST277, an Endemic Clone Disseminated in Brazilian Hospitals oleh Ana Paula Barbosa Nascimento, Mauro Freitas Ortiz, Willames Marcos Brasileiro da Silva Martins, Guilherme Loss Morais, Lorena Cristina Corrêa Fehlberg, Luiz Gonzaga Paula Almeida, Luciane Prioli Ciapina, Ana Cristina Gales, Ana Tereza Ribeiro Vasconcelos