Name	Info	Provider	Link
	free resource	Atypon	https://www.pnas.org/doi/abs/10.1073/pnas.0808843106?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19188593/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/19188593
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:19188593