About: http://webisa.webdatacommons.org/429408135

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	in the presence of sample heterogeneity, such as may exist in tumors and other tissues
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com