Name	Info	Provider	Link
	free resource	Mouse Genome Informatics (MGI)	http://www.informatics.jax.org/reference/12117822
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/12117822/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/12117822
	subscription/membership/fee required	Silverchair Information Systems	https://journals.biologists.com/dev/article-lookup/doi/10.1242/dev.129.15.3739