About: http://webisa.webdatacommons.org/327634539

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	Participants will have yearly follow-up evaluations by either telephone or mail for a total of 15 years, or as required by the FDA and other regulatory agencies.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov