About: http://webisa.webdatacommons.org/415799775

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	DNA can be obtained from several sources including saliva and blood, although scientists often prefer to collect blood.
http://www.w3.org/ns/prov#wasQuotedFrom	als-research.org