About: http://webisa.webdatacommons.org/30415603

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	If canker sores persist or continue to return, tests should be done to rule out other causes, such as erythema multiforme, drug allergies, herpes infection, bullous lichen planus, and other disorders.
http://www.w3.org/ns/prov#wasQuotedFrom	maimonidesmed.org