Name	Info	Provider	Link
	free resource	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0014-5793&date=1992&volume=309&issue=3&spage=337
Full text from	free resource	CORE	https://core.ac.uk/reader/82635504?utm_source=linkout