S. Lu

Epidemiologic study of the irritable bowel syndrome in Beijing: stratified randomized study by cluster sampling.

S. Lu, G. Pan, M. Ke, 2000, Chinese medical journal.

[An epidemiologic study of irritable bowel syndrome in Beijing - a stratified randomized study by clustering sampling].

S. Lu, G. Pan, M. Ke, 2000, Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi.

[Study on the prevalence of HIV infection and related risk behaviors among male new-type drug users in Qingdao, Shandong province].

P. Li, M. Liao, X. Tao, 2018, Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi.