X. Zhi

Epidemiological sampling survey on chronic obstructive pulmonary disease in urban area of Chongqing.

Wang Jinping, Li Xiuqing, Zhao Zhiqiang, 2009 .

A 21-year-old male with right chest pain, dyspnoea on exertion and bloody pleural effusion

Zhang Qiao, X. Zhi, W. Changzheng, 2010, Thorax.