About: http://webisa.webdatacommons.org/137506753

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	Publish date: April 2014 Oral UlcerationBackgroundOral ulcerations appear as necrotic or eroded areas on the oral mucosa, including the tongue.
http://www.w3.org/ns/prov#wasQuotedFrom	aidsetc.org