Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://joi.jlc.jst.go.jp/JST.Journalarchive/jpnjurol1989/81.433?lang=en&from=PubMed
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PGR-1