Umbilical Cord Mesenchymal Stem Cells Transplantation in the Treatment of Chronic Obstructive Pulmonary Disease
To evaluate the safety and efficacy of human umbilical cord mesenchymal stem cells transplantation in patients with COPD
Umbilical Cord Mesenchymal Stem Cells Transplantation in the Treatment of Chronic Obstructive Pulmonary Disease
To evaluate the safety and efficacy of human umbilical cord mesenchymal stem cells transplantation in patients with COPD