Nigella sativa for the treatment of COVID-19: An open-label randomized controlled clinical trial.
Complement Ther Med. 2021 Sep;61:102769. doi: 10.1016/j.ctim.2021.102769. Epub 2021 Aug 15.
Complement Ther Med. 2021.
PMID: 34407441
Free PMC article.
Clinical Trial.