About: http://webisa.webdatacommons.org/408385585

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 marker response is assessed using cancer antigen (CA-125), carcinoembryonic antigen (CEA), CA-19.9 and other markers as available
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov