About: http://webisa.webdatacommons.org/21147374

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	The median disease duration was six months and no patient had been treated with methotrexate or other disease modifying anti???rheumatic drug (DMARD).
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov