About: http://webisa.webdatacommons.org/212879150

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	Drug-use behaviors were measured at each visit, including drug type, route of administration, frequency, and methadone dose for participants prescribed methadone replacement.
http://www.w3.org/ns/prov#wasQuotedFrom	natap.org