Name	Info	Provider	Link
Full text from AIR - Univ. Milan	free resource	Archivio Istituzionale della Ricerca Unimi	https://air.unimi.it/handle/2434/880538
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34213743/
	subscription/membership/fee required	Springer	https://link.springer.com/article/10.1007/s40618-021-01625-1
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34213743
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PTHrP-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-3492