Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19525527.ui
	subscription/membership/fee required	Wiley	https://doi.org/10.1136/vr.164.24.760
Full text from	free resource	CORE	https://core.ac.uk/reader/55796566?utm_source=linkout
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:19525527