Name	Info	Provider	Link
Anal Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/analcancer.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33711133.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33711133/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33711133
	free resource	scite Smart Citations	https://scite.ai/reports/33711133
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/bjs/article-lookup/doi/10.1093/bjs/znaa124