About: http://webisa.webdatacommons.org/30458632

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	Some types of porphyria have both nervous system symptoms and skin symptoms, and others have mainly one or the other.
http://www.w3.org/ns/prov#wasQuotedFrom	mayoclinic.org