Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S2213-1582(21)00145-5
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/34090124/
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34090124/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34090124
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S2213-1582(21)00145-5