: clinicaltrials_resource:00016b655246a29547bce7c84717a5e7http://bio2rdf.org/ Create a prefix for http://bio2rdf.org/ Hit Enter to save Double click to create a prefix | : clinicaltrials_vocabulary:measurehttp://bio2rdf.org/ Create a prefix for http://bio2rdf.org/ Hit Enter to save Double click to create a prefix | Pediatric Crohn's Disease Activity Index (PCDAI) |