About: http://webisa.webdatacommons.org/147953191

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	Thus, says Sun, the relative changes in the two types of cells can serve as an index for scoring natural or intrinsic skin aging ???the aging of skin caused by programmed developmental or genetic factors.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencecodex.com