Name	Info	Provider	Link
Full text from AIR - Univ. Milan	free resource	Archivio Istituzionale della Ricerca Unimi	https://air.unimi.it/handle/2434/223193
Syphilis	free resource	MedlinePlus Health Information	https://medlineplus.gov/syphilis.html
	free resource	Public Library of Science	https://dx.plos.org/10.1371/journal.pntd.0001717
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22816000/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22816000
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD40-4
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:22816000