Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Demarche, Sofie" or (type exact bookEditor and editor="Demarche, Sofie") Add to list Journal Article A1 open access The heterogeneity of headache patients who self-medicate: a cluster analysis approach Els Mehuys (UGent) , Koen Paemeleire (UGent) , Geert Crombez (UGent) , Els Adriaens (UGent) , Thierry Van Hees, Sofie Demarche, Thierry Christiaens (UGent) , Lucas Van Bortel (UGent) , Inge Van Tongelen (UGent) , Jean Paul Remon (UGent) , et al. (2016) PAIN. 157(7). p.1464-1471