Name Info Provider Link
subscription/membership/fee required HighWire https://adc.bmj.com/lookup/pmidlookup?view=long&pmid=29222179
Vaccines free resource MedlinePlus Health Information https://medlineplus.gov/vaccines.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29222179.ui
free resource scite Smart Citations https://scite.ai/reports/29222179