About: http://webisa.webdatacommons.org/381454522

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	by age was most frequent, especially in women who more often have older partners.
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com