Real-world use of nirmatrelvir–ritonavir in outpatients with COVID-19 during the era of omicron variants including BA.4 and BA.5 in Colorado, USA: a retrospective cohort study

Authors: Neil Krishan Aggarwal, Kyle C. Molina, Laurel Beaty, Tellen D. Bennett, Nichole E. Carlson, David Mayer, Jennifer L. Peers, Seth Russell, Matthew K. Wynia, Adit A. Ginde - The Lancet 2023 cited by 145