1. Retracted: Prevalence and Burden of Headache Disorders: A Comparative Regional Study in China. Issue 10 (10th November 2010) Authors: Luo, Ning; Fang, Yannan; Tan, Feng; Zhang, Qian; Zou, Daliang; Cao, Xiutang; Xu, Xuehua; Bai, Hua; Ou, Jiangang; Wu, Haike; Chen, Zilong; Zhou, Yane; Wan, Saiying; Hong, Yan; Wang, Jingliang; Ding, Minghui; Zhang, Aiwu; Zhu, Daoyuan; Dun, Jun Journal: Headache Issue: Volume 57:Issue 10(2017) Page Start: E1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗