Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0006291X03004339
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/12670483/
	free resource	Mouse Genome Informatics (MGI)	http://www.informatics.jax.org/reference/12670483