[Epidemiological study on thalassemia among the children of 0 - 7 years old among the six ethnic groups in Xishuangbanna and Dehong of Yunnan province]. - Zhao ZM; Yao LQ; Fan LM; Zou TB; Chen Q; Hu LS; Yang FB; Liu JT; Wang XT (Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi, 2011)