Name	Info	Provider	Link
	free resource	Atypon	https://www.nejm.org/doi/10.1056/NEJMoa0808145?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0www.ncbi.nlm.nih.gov
Barrett's Esophagus	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/743
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19474425.ui
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/19474425
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:19474425