Name Info Provider Link
free resource Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1083-8791(09)01166-5
Pneumonia free resource MedlinePlus Health Information https://medlineplus.gov/pneumonia.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20060053/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/20060053
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S1083-8791(09)01166-5