Name	Info	Provider	Link
Breast Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/breastcancer.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21287591.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21287591/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21287591
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1002/mrm.22740
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:21287591