N-acetyl-cysteine reduces the risk for mechanical ventilation and mortality in patients with COVID-19 pneumonia: a two-center retrospective cohort study

N-acetyl-cysteine reduces the risk for mechanical ventilation and mortality in patients with COVID-19 pneumonia: a two-center retrospective cohort study
Assimakopoulos et al., Infectious Diseases, doi:10.1080/23744235.2021.1945675
https://c19early.org/assimakopoulos.html