Name Info Provider Link
H1N1 Flu (Swine Flu) free resource MedlinePlus Health Information https://medlineplus.gov/h1n1fluswineflu.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=24820841.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24820841/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/24820841
free resource Wolters Kluwer https://journals.lww.com/24820841.pmid