Analysis on children prevalence and disease status of child-care institutions in Jinan city
MA Shan-jing,ZHAO Dong-mei,DU Jing-hui,YUAN Xia,ZHANG Jing,LI Jun
journal1 . 2014, (5): 546 -549 .  DOI: 10.11852/zgetbjzz2014-22-05-33