About: http://webisa.webdatacommons.org/108922069

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	Although low levels of vitamin B12 does not trigger sleep problems directly, but this condition causes the other symptoms that can interfere with sleep such as fatigue, tingling in hands and feet, constipation and depression.
http://www.w3.org/ns/prov#wasQuotedFrom	healthmad.com