About: http://webisa.webdatacommons.org/164739475

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	Central macrophages secrete cytokines such as TNF-??, which exerts an inhibitory effect on erythropoiesis [17], [18], [19], and HO-1 has been shown to suppress the effects of TNF-?? [20], [21].
http://www.w3.org/ns/prov#wasQuotedFrom	plos.org