About: http://webisa.webdatacommons.org/189228614

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Proinflammatory cytokines such as IL-1 and TNF-?? are abundant in rheumatoid synovium, whereas the T cell-derived cytokines, especially IL-4 and interferon-??, have often proved difficult to detect in RA synovium [24].
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov