CJCP     2019 21 (7):  619-623    ISSN: 1008-8830  CN: 43-1301/R Mesenchymal stem cell transplantation in the treatment of bronchopulmonary dysplasia: opportunities and challenges BAO Lei, SHI Yuan Department of Neonatology, Children's Hospital of Chongqing Medical University/Ministry of Education Key Laboratory of Child Development and Disorders/China International Science and Technology Cooperation Base of Child Development and Critical Disorders/Chongqing Engineering Research Center of Stem Cell Therapy, Chongqing 400014, China Received: 2019-01-08  Revised: 2019-05-06  Online: null Supporting info