Piazza Fernandes F, Hahn Ferrucio MC. The Impact of the national shortage of polymyxin B in critically ill patients during the COVID-19 pandemic. Rev Epidemiol Control Infect [Internet]. 2023Dec.29 [cited 2024May19];13(4). Available from: https://online.unisc.br/seer/index.php/epidemiologia/article/view/18403