Name	Info	Provider	Link
	subscription/membership/fee required	Wiley	https://doi.org/10.1002/1615-9861(200103)1:3<377::AID-PROT377>3.0.CO;2-6
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:11680884