About: http://webisa.webdatacommons.org/28530711

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	Drug tests are widely used in sport, at workplaces, schools and other institutions to detect usage of certain substances, including marijuana, cocaine, steroids or other prohibited drugs, which metabolites could be found in urine.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com