About: http://webisa.webdatacommons.org/310424316

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	The VAS is a scale composed by a straight line printed on a paper measuring 100 milimeters, where only the 0 (Zero) and the 100 (one hundred) points are marked.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov