Efficacy and safety of umbilical cord mesenchymal stem cells for the treatment of patients with COVID-19 Fengtao Wei; Dexiao Kong; Tao Li; Ai Li; Yi Tan; Jinfeng Fang; Xianghua Zhuang; Chao Lai; Weihua Xu; Hong Dong; Chengen Ma; Ke Hong; Yuqin Cui; Shengbin Tang; Fenggang Yu; Chengyun Zheng;

Ambulation capacity, age, immunosuppression, and mechanical ventilation are risk factors of in-hospital death in severe COVID-19: a cohort study Erika Christina Gouveia e Silva; Ana Carolina Basso Schmitt; Caroline Gil de Godoy; Amislaine Cristina Gambeta; Celso Ricardo Fernandes de Carvalho; Carolina Fu; Clarice Tanaka; Carlos Toufen Junior; Carlos Roberto Ribeiro de Carvalho; José Eduardo Pompeu;

COVID-19 and Liver Damage: Narrative Review and Proposed Clinical Protocol for Critically ill Pediatric Patients Michele Luglio; Uenis Tannuri; Werther Brunow de Carvalho; Karina Lucio de Medeiros Bastos; Isadora Souza Rodriguez; Cintia Johnston; Artur Figueiredo Delgado;