Efficacy and safety of intramuscular administration of tixagevimab–cilgavimab for early outpatient treatment of COVID-19 (TACKLE): a phase 3, randomised, double-blind, placebo-controlled trial
Montgomery et al., The Lancet Respiratory Medicine, doi:10.1016/S2213-2600(22)00180-1
https://c19early.org/montgomery.html