Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1873-9946(13)00446-7
	free resource	scite Smart Citations	https://scite.ai/reports/24613021
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ecco-jcc/article-lookup/doi/10.1016/j.crohns.2013.12.013