Ben-tong Yuan

Effect of carbocisteine on acute exacerbation of chronic obstructive pulmonary disease (PEACE Study): a randomised placebo-controlled study

N. Zhong, C. Bai, Jinping Zheng, 2008, The Lancet.

[Feasibility and predicted equations of spirometry in Shenzhen preschool children].

Min Zhang, Jia-ying An, D. Luo, 2005, Zhonghua er ke za zhi = Chinese journal of pediatrics.