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;

Coronavirus disease 2019 infection severity among different variants in children under 2-years old in Brazil Beatriz Martinelli Menezes Gonçalves; Rossana P.V. Francisco; Ágatha S. Rodrigues; José Carlos Soares Junior;

Effect of adipose-derived mesenchymal stem cells on the viability of the transverse rectus abdominis myocutaneous flap in rats André Luiz Pires de Freitas; Sang Won Han; Priscila Keiko Matsumoto Martin; Lydia Masako Ferreira;