About: http://webisa.webdatacommons.org/159455297

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	While an aggressive tumor can invade tissue and colonize distant sites in the body with seemingly little effort, sci- entists have found that simulating the process in a test tube is anything but easy.
http://www.w3.org/ns/prov#wasQuotedFrom	fredhutch.org