About: http://webisa.webdatacommons.org/319727153

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	Use before sexual intercourse is effective in preventing cross-infection of gonorrhea, syphilis, condylomata acuminata, HIV and other sexually transmitted diseases.
http://www.w3.org/ns/prov#wasQuotedFrom	alibaba.com