About: http://webisa.webdatacommons.org/8474244

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	This investigation was a component of a large-scale study entitled Children, Adolescents, and Headache (Kinder, Jugendliche und Kopfschmerz--KiJuKo), in which data were collected in four annual waves" from 2003 to 2006.
http://www.w3.org/ns/prov#wasQuotedFrom	eurekalert.org