About: http://webisa.webdatacommons.org/255209257

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	Tumor volume was calculated according to the formula a2???b, where a and b are the smallest and largest diameters, respectively.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com