Natural tannin extracts supplementation for COVID-19 patients (TanCOVID): a structured summary of a study protocol for a randomized controlled trial
Silvia Molino,
Andrea Pisarevsky,
Fabiana Lopez Mingorance,
Patricia Vega,
Juan Pablo Stefanolo,
Julieta Repetti,
Guillermina Ludueña,
Pablo Pepa,
Juan Ignacio Olmos,
Marcelo Rodriguez Fermepin,
others January 2021