About: http://webisa.webdatacommons.org/63215973

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	ask participants about their use of specific types of medications in the last 7 days
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com