About: http://webisa.webdatacommons.org/221046859

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	Patients who had taken, within the last 72 hours prior to procedure, any central nervous system depressant, such as alcohol, non-opioid and opioid.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov