Name	Info	Provider	Link
	free resource	HighWire	https://bjsm.bmj.com/lookup/pmidlookup?view=long&pmid=8889112
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/8889112/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/8889112