| http://www.w3.org/ns/prov#value | - The researchers collected data on nasal symptoms and cardiovascular disease from 993 patients with COPD and 993 without COPD. In the latter group, the patients were divided into two categories; those with normal lung function and those with restricted lung function. 50.1% of people with COPD had cardiovascular conditions such as heart disease, stroke and hypertension, compared to people with norma
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