Name	Info	Provider	Link
Full Text from	free resource	University of Turin Instituional Repository AperTO	http://hdl.handle.net/2318/129671
Anal Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/analcancer.html
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/bjc.2012.600
Free full Text at ORBi	free resource	ORBi (University of Liege)	https://hdl.handle.net/2268/311971
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23329231/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23329231
	free resource	scite Smart Citations	https://scite.ai/reports/23329231