About: http://webisa.webdatacommons.org/248868208

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	Since ERA encompasses most forms of undifferentiated spondyloarthritis, including patients previously classified as having SEA syndrome (seronegative enthesitis and arthritis), we know it will be associated with HLA-B27.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca