The prevalence and risk factors of asthma in children in two districts of Yunnan Province.
QI Zhi-ye,DUAN Jing,SHI Ting-ming,ZHANG Quan,JI Hong-yan,CAO Zhi-lang,LU Ping.
journal1 . 2016, (8): 850 -852 .  DOI: 10.11852/zgetbjzz2016-24-08-19