CJCP     2011 13 (2):  131-134    ISSN: 1008-8830  CN: 43-1301/R Causes of chronic cough in children: an analysis of 111 cases ZHANG Xiao-Bo, NONG Guang-Min Department of Pediatrics, First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China. Email: ngm8525@163.com Received: null  Revised: null  Online: null Supporting info