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	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=27285004.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27285004/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27285004
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:27285004
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	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1213/ANE.0000000000001349