Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://journals.sagepub.com/doi/10.1177/0022034510370026?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/20519493/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/20519493
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-RDRP-1
SILVA SSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/ssu/pubid/20519493