In vitro activity of aztreonam-avibactam against carbapenem-resistant Pseudomonas aeruginosa from Southern Brazil - Gabriela da Silva Collar; Natália Kehl Moreira; Patrícia Orlandi Barth; Maria do Carmo Fontourac Pereira; Afonso Luís Barth; Juliana Caierão (European Journal of Clinical Microbiology & Infectious Diseases, 2026)