AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Mehra MR Desai SS Ruschitzka F Patel AN. Retraction – hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis. Lancet Epub ahead of print 22 May 2020. doi:10.1016/S0140-6736(20)31180-6.