About: http://webisa.webdatacommons.org/355124256

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	Once the needle is inserted and there is a flashback of blood, the tube is pushed further into the hub allowing the top to be pierced and blood to be forced into the tube.
http://www.w3.org/ns/prov#wasQuotedFrom	phlebotomytraininggroup.com