About: http://webisa.webdatacommons.org/44096852

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	Perhaps the best known test for a biological ???marker??? protein, or ???biomarker,??? called CA 27.29, misses many cases of recurrence and detects them late ??? often after symptoms, such as difficulty breathing or bone pain, surface.
http://www.w3.org/ns/prov#wasQuotedFrom	acs.org