: clinicaltrials_resource:0001d54261ea562ae7b516fb226d890fhttp://bio2rdf.org/ Create a prefix for http://bio2rdf.org/ Hit Enter to save Double click to create a prefix | : clinicaltrials_vocabulary:time-framehttp://bio2rdf.org/ Create a prefix for http://bio2rdf.org/ Hit Enter to save Double click to create a prefix | Prenatal: 20, 28, 36weeks.Postnatal: 4 and 10 weeks |