About: http://webisa.webdatacommons.org/384078372

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	These developments are principally useful but have strongly added to the operational difficulties of performing clinical trials.
http://www.w3.org/ns/prov#wasQuotedFrom	wiley.com