About: http://webisa.webdatacommons.org/193374087

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	This form addresses six categories of threats to study validity (ie, population and study description, sampling, measurement, data analysis, interpretation, and other limitations).
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov