Name	Info	Provider	Link
	free resource	Atypon	https://journals.sagepub.com/doi/10.1177/2042533313512479?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25057365/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25057365
	free resource	scite Smart Citations	https://scite.ai/reports/25057365
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/30763