About: http://webisa.webdatacommons.org/237216523

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	Various stressors known to activate the immune system such as viral infection or surgery can also produce an exacerbation of MS. Other activator such as .gamma.-interferon produce similar effects when administered.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com