About: http://webisa.webdatacommons.org/427139191

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	In this study, researchers sought to establish whether injection or sexual risk factors, or both, were associated with HIV-1 antibody seroconversion of street-recruited IDUs in San Francisco from 1986 to 1998.
http://www.w3.org/ns/prov#wasQuotedFrom	drugabuse.gov