About: http://webisa.webdatacommons.org/252570442

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	Trace elements such as magnesium or calcium or lack thereof can produce nocturnal problems and has even been associated with restless leg syndrome or leg cramps.
http://www.w3.org/ns/prov#wasQuotedFrom	edhat.com