Name	Info	Provider	Link
Pregnancy	free resource	MedlinePlus Health Information	https://medlineplus.gov/pregnancy.html
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-SERPINA6-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-717
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/jcem/article-lookup/doi/10.1210/jcem-71-3-639