About: http://webisa.webdatacommons.org/445204352

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	Four controlled human studies at Grant???s center, led by different researchers at different campuses, found marijuana was effective in treating certain types of pain.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com