Name Info Provider Link
COPD free resource MedlinePlus Health Information https://medlineplus.gov/copd.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/36257306/
free resource Georg Thieme Verlag Stuttgart, New York http://www.thieme-connect.com/DOI/DOI?10.1055/a-1925-7281
free resource Europe PubMed Central https://europepmc.org/abstract/MED/36257306