Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/1991028/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/1991028
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:1991028
	subscription/membership/fee required	Silverchair Information Systems	https://portlandpress.com/biochemj/article-lookup/doi/10.1042/bj2730289