Hailar District

  • 网络海拉尔区
Hailar DistrictHailar District
  1. Epidemiological analysis on respiratory infectious disease in schools in Hailar District , Hulun Buir City , Inner Mongolia , 2007-2008

    2007~2008年内蒙古呼伦贝尔市海拉尔区学校呼吸道传染病流行病学分析