About: http://webisa.webdatacommons.org/300766435

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	Furthermore, confounding or channeling bias is a problem that bedevils observational studies and makes drawing firm conclusions difficult when interpreting the data.
http://www.w3.org/ns/prov#wasQuotedFrom	thebodypro.com