About: http://webisa.webdatacommons.org/443784436

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	The reason for this may be because vitamin B12 is a water-soluble vitamin and thus cannot cross the blood brain barrier that protects and houses the brain and spinal cord unless it is hooked to a protein carrier.
http://www.w3.org/ns/prov#wasQuotedFrom	thisisms.com