About: http://webisa.webdatacommons.org/389619102

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	CausesYour body's immune system usually protects you from substances that may be harmful, such as germs, poisons, and sometimes cancer cells.These harmful substances have proteins called antigens coating their surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov