CJCP     2011 13 (4):  336-339    ISSN: 1008-8830  CN: 43-1301/R Effects of Streptococcus pneumoniae on the ultrastructure of alveolar epithelial cells type Ⅱ in the lung tissues of mice and children SHU Lin-Hua, SHANG Yun-Xiao, ZHANG Fu-Hui, ZHANG Han, MA Xiao-Xue, YANG Nan, HUANG Wan-Jie Department of Pediatric Pulmonology, Shengjing Hospital of China Medical University, Shenyang 110004, China. Email: shulinhua@126.com Received: null  Revised: null  Online: null Supporting info