Name	Info	Provider	Link
	free resource	Public Library of Science	https://dx.plos.org/10.1371/journal.pcbi.1009209
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34343169/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34343169
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2
Full text from	free resource	White Rose Research Online	https://eprints.whiterose.ac.uk/177346/