About: http://webisa.webdatacommons.org/299073518

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	Describe the inclusion and exclusion criteria and a description of the source population because the relevance of such variables as age and sex to the object of research is not always clear.
http://www.w3.org/ns/prov#wasQuotedFrom	ijoonline.com