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Crohn's Disease	free resource	MedlinePlus Health Information	https://medlineplus.gov/crohnsdisease.html
	free resource	Mouse Genome Informatics (MGI)	http://www.informatics.jax.org/reference/21921917
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/nature10400
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21921917.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21921917/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21921917
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-903
See the articles recommended by the Faculty of more than 8,000 leading experts in Biology and Medicine.	subscription/membership/fee required	H1 Connect	https://facultyopinions.com/pubmed/21921917
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:21921917