Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29205615.ui
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1002/uog.18975
	free resource	scite Smart Citations	https://scite.ai/reports/29205615
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/57426