The association between chronic obstructive pulmonary disease and Parkinson's disease: a nationwide population-based retrospective cohort study
QJM (2015) - Comments
pubmed: 25024356  doi: 10.1093/qjmed/hcu136  issn: 1460-2725  issn: 1460-2393 

C.-H. Li, W.-C. Chen, W.-C. Liao, C.-Y. Tu, C.-L. Lin, F.-C. Sung, C.-H. Chen, W.-H. Hsu