Original Article
Prevalence and risk factors for congenital heart defects among children in the Multi-Ethnic Yunnan Region of China
Yu Cao, Rongzhong Huang, Ruize Kong, Hongrong Li, Hong Zhang, Yaxiong Li, Liwen Liang, Da Xiong, Shen Han, Liang Zhou, Junyin Guo, Guolin Dai, Mingyao Meng, Hongbo Lou, Zongliu Hou, Lihong Jiang