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	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/33058734/
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33058734.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33058734/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33058734
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-KRT+Group+B-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1172
	free resource	scite Smart Citations	https://scite.ai/reports/33058734