Medrxiv version posted 8/26/20
Preventing disease after exposure to COVID-19 using hydroxychloroquine: A summary of a protocol for exploratory re-analysis of age and time-nuanced effects.
David M Wiseman, Pierre Kory, Dan Mazzucco, Mayur S Ramesh
doi: https://doi.org/10.1101/2020.08.19.20178376
https://www.medrxiv.org/content/10.1101/2020.08.19.20178376v1