About: http://webisa.webdatacommons.org/150572796

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	Often in these cases, no underlying cause such as food, infection, other underlying diseases or drug reaction can be identified, and we call these hives idiopathic or of unknown cause.
http://www.w3.org/ns/prov#wasQuotedFrom	uc.edu