The Singapore Chinese Health Study generated data that the Epidemiology Branch and its collaborators published in a peer-reviewed journal article. To find out more about the study, please click the following links to the journal articles and abstracts.
Butler LM, Koh WP, Lee HP, Yu MC, London SJ. Dietary fiber and reduced cough with phlegm: a cohort study in Singapore. Am J Respir Crit Care Med 170:279-287, 2004. [Abstract] (http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15117740)[Full Text](http://ajrccm.atsjournals.org/cgi/content/full/170/3/279)[download the PDF](http://ajrccm.atsjournals.org/cgi/reprint/170/3/279)
David GL, Koh W-P, Lee H-P, Yu MC, London SJ. Childhood exposure to environmental tobacco smoke and chronic respiratory symptoms in nonsmoking adults: Singapore Chinese Health Study. Thorax. 60:1052-8, 2005. [Abstract](http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=16131525&query_hl=14&itool=pubmed_docsum)
Levan TD, Koh WP, Lee HP, Koh D, Yu MC, London SJ. Vapor, Dust and Smoke Exposure in Relation to Adult-Onset Asthma and Chronic Respiratory Symptoms: The Singapore Chinese Health Study. American Journal of Epidemiology. 163:1118-28, 2006.
[Abstract](http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=16707657&query_hl=17&itool=pubmed_docsum)
Butler LM, Koh W-P, Lee H-P, Tseng M, Yu MC, London SJ. Prospective study of dietary patterns and persistent cough with phlegm among Chinese Singaporeans. Am J Respir Crit Care Med. 173:264-70, 2006. [Abstract](http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=16239624&query_hl=22&itool=pubmed_docsum)