Name Info Provider Link
subscription/membership/fee required HighWire https://www.bmj.com/lookup/pmidlookup?view=long&pmid=20124383
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=20124383.ui