Zhen-Xin Zhang, Gustavo C. Roman, Zhen Hong, Cheng-Bing Wu, Qui-Ming Qu, Jue-Bing Huang, Bing Zhou, Zhi-Ping Geng, Ji-Zing Wu, Hong-Bo Wen, Heng Zhao, and Gwendolyn E. P. Zahner, “Parkinson’s Disease in China: Prevalence in Beijing, Xian, and Shanghai,” Lancet 365 (February 12, 2005): 595–597. Я благодарю Мадса Далсгаарда за этот пример и ссылку.
