About: http://webisa.webdatacommons.org/190242170

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	BACKGROUND Aging of skin results from a combination of intrinsic factors, e.g., genetic factors, and extrinsic factors, e.g., environmental factors such as sun damage and smoking.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com