Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https:///www.science.org/doi/10.1126/science.aay7199?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31806786.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31806786/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31806786
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-1
	free resource	Bio-protocol Exchange	https://bio-protocol.org/exchange/preprintdetail?id=2338&type=3
See the articles recommended by the Faculty of more than 8,000 leading experts in Biology and Medicine.	subscription/membership/fee required	H1 Connect	https://facultyopinions.com/pubmed/31806786
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:31806786