Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0165-2427(08)00361-9
E. Coli Infections	free resource	MedlinePlus Health Information	https://medlineplus.gov/ecoliinfections.html
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-1
Full text from	free resource	CORE	https://core.ac.uk/reader/28971419?utm_source=linkout