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	subscription/membership/fee required	Atypon	https:///www.science.org/doi/10.1126/science.1172645?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Nanos2	free resource	BioCyc	https://biocyc.org/gene?orgid=MOUSE&id=MGI:2676627
Gene Ontology annotations from this paper	free resource	Gene Ontology	http://amigo.geneontology.org/amigo/reference/PMID:19745153
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/19745153/
Stem Cells	free resource	MedlinePlus Health Information	https://medlineplus.gov/stemcells.html
	free resource	Mouse Genome Informatics (MGI)	http://www.informatics.jax.org/reference/19745153
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19745153.ui
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:19745153