About: http://webisa.webdatacommons.org/409052096

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	They must be able to walk at least 50 feet with or without an assistive device such as a cane or a walker and stand for 10 minutes without using an assistive device.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov