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/23250012/
free resource Scientific Electronic Library Online https://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012001200024&lng=en&nrm=iso&tlng=en
free resource Europe PubMed Central https://europepmc.org/abstract/MED/23250012
Exercise and Physical Fitness free resource MedlinePlus Consumer Health Information https://medlineplus.gov/exerciseandphysicalfitness.html