Randomised trial to determine the effect of vitamin D and zinc supplementation for improving treatment outcomes among patients with COVID-19 in India: trial protocol.
Sharma KK, Partap U, Mistry N, Marathe Y, Wang M, Shaikh S, D'Costa P, Gupta G, Bromage S, Hemler EC, Kain KC, Dholakia Y, Fawzi WW.
BMJ Open. 2022 08 29. 12(8):e061301. PMID: 36038172