Name	Info	Provider	Link
	subscription/membership/fee required	HighWire	https://casereports.bmj.com/lookup/pmidlookup?view=long&pmid=23661656
Syphilis	free resource	MedlinePlus Health Information	https://medlineplus.gov/syphilis.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23661656.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23661656/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23661656
	free resource	scite Smart Citations	https://scite.ai/reports/23661656