Name	Info	Provider	Link
	free resource	Impact Journals, LLC	https://www.aging-us.com/full/101960
Breast Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/breastcancer.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31076561/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31076561
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-ERBB2-3
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-192
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/171561