About: http://webisa.webdatacommons.org/355217193

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	Information about sociodemographic characteristics, sexual behavior, contraceptive use and other risk factors was collected at recruitment and updated at follow-up visits.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov