Name	Info	Provider	Link
	subscription/membership/fee required	Springer	https://link.springer.com/article/10.1007/s00726-017-2403-8
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:28283907
	free resource	scite Smart Citations	https://scite.ai/reports/28283907