About: http://webisa.webdatacommons.org/6299552

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	In other cases, it is possible that activity levels were underestimated if the checklist did not capture certain types of activities.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov