Retraction Note: Do Zinc Supplements Enhance the Clinical Efficacy of Hydroxychloroquine?: A Randomized, Multicenter Trial.

Sherief M Abd-ElsalamShaimaa SolimanEslam Saber EsmailMai KhalafEhab F MostafaMohammed A MedhatOssama Ashraf AhmedMohamed Samir Abd El GhafarMohamed AlboraieSahar M Hassany

Published in: Biological trace element research (2024)

Keyphrases

phase iii
study protocol
phase ii
clinical trial
double blind
cross sectional
oxide nanoparticles
open label