About: http://webisa.webdatacommons.org/60208882

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	Those trained in health and other sciences typically adhere to a belief in a hierarchy of evidence. ???Hard??? evidence is that which is seen as objective and quantitative.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov