Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/10.1503/cjs.012012
	free resource	HighWire	https://www.canjsurg.ca/lookup/pmidlookup?view=long&pmid=22630063
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22630063.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22630063/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22630063