Remote methods to conduct a prospective clinical trial as exemplified by a randomized controlled trial on vitamin D supplementation to prevent influenza-like illness https://www.medrxiv.org/content/10.1101/2022.11.08.22281952
Remote methods to conduct a prospective clinical trial as exemplified by a randomized controlled trial on vitamin D supplementation to prevent influenza-like illness https://www.medrxiv.org/content/10.1101/2022.11.08.22281952