A Randomized Trial of Hydroxychloroquine as Postexposure Prophylaxis for Covid-19.
N Engl J Med. 2020 Aug 6;383(6):517-525. doi: 10.1056/NEJMoa2016638. Epub 2020 Jun 3.
N Engl J Med. 2020.
PMID: 32492293
Free PMC article.
Clinical Trial.