CITATIONS

Term: chronic obstructive pulmonary disease
Http://: https://pubmed.ncbi.nlm.nih.gov/32800196/
Http://: https://pubmed.ncbi.nlm.nih.gov/28513453/
Http://: https://www.nhlbi.nih.gov/health-topics/copd
Http://: https://pubmed.ncbi.nlm.nih.gov/32745458/