About: http://webisa.webdatacommons.org/204428652

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	That is, data from 1998 were used for variables such as age and menopausal status that were unlikely to be affected by adherence with asthma medications.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com