About: http://webisa.webdatacommons.org/215923138

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	While the review took steps to minimise bias, the conclusions are limited because they are based on observational data and do not account for confounding factors such as treatment regimen, parity and specific infertility diagnosis.
http://www.w3.org/ns/prov#wasQuotedFrom	york.ac.uk