About: http://webisa.webdatacommons.org/94852857

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	The same methods were used to control for seven covariates, including age and duration of infertility, which could affect conception rates.
http://www.w3.org/ns/prov#wasQuotedFrom	stanford.edu