Comparative effectiveness of combination therapy with nirmatrelvir–ritonavir and remdesivir versus monotherapy with remdesivir or nirmatrelvir–ritonavir in patients hospitalised with COVID-19: a target trial emulation study
Choi et al., The Lancet Infectious Diseases, doi:10.1016/S1473-3099(24)00353-0
https://c19early.org/choi7pl.html