About: http://webisa.webdatacommons.org/290319031

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	Second, they must undergo differentiation to maintain a constant pool of mature cells in normal conditions, and to produce increased numbers of a particular lineage in response to stresses such as bleeding or infection.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com