Risk of hydroxychloroquine alone and in combination with azithromycin in the treatment of rheumatoid arthritis: a multinational, retrospective study.
Lancet Rheumatol. 2020 Nov;2(11):e698-e711. doi: 10.1016/S2665-9913(20)30276-9. Epub 2020 Aug 21.
Lancet Rheumatol. 2020.
PMID: 32864627
Free PMC article.