Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S2213-2198(21)01364-7
COPD free resource MedlinePlus Health Information https://medlineplus.gov/copd.html
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S2213-2198(21)01364-7
Asthma free resource MedlinePlus Consumer Health Information https://medlineplus.gov/asthma.html