About: http://webisa.webdatacommons.org/431793788

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	In some individuals, including adults who previously had no symptoms, the first symptom of a COL4A1 mutation is intracerebral hemorrhaging or bleeding in the brain caused by rupturing of blood vessels within the head.
http://www.w3.org/ns/prov#wasQuotedFrom	rarediseases.org