CJCP     2016 18 (2):  113-116    ISSN: 1008-8830  CN: 43-1301/R Changes in gut microbiota and serum D-lactate level and correlation analysis in children with recurrent pneumonia PENG Shao, DU Tian-Hua, ZHANG Man Department of Pediatrics, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China Received: 2015-10-31  Revised: 2015-12-25  Online: null Supporting info null