About: http://webisa.webdatacommons.org/162723521

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	??? Acute types of porphyria affect the nervous system, causing symptoms such as abdominal pain, vomiting, numbness, and mental disorders.
http://www.w3.org/ns/prov#wasQuotedFrom	medicalmarijuana.com