Ludangshen oral liquid for treatment of convalescent COVID-19 patients: a randomized, double-blind, placebo-controlled multicenter trial
Abstract Objective To explore the effect of Ludangshen oral liquid for treatment of convalescent patients with coronavirus disease 2019 (COVID-19) with randomized, double-blind, placebo-controlled multicenter method.Methods 200 convalescent COVID-19 patients who had symptoms related to Nappy Wallets decreased digestive and respiratory function were