Socio-economic inequality in multiple health complaints among adolescents: international comparative study in 37 countries

Bjørn E Holstein, Candace Currie, Will Boyce, Mogens T Damsgaard, Inese Gobina, Gyöngyi Kökönyei, Jørn Hetland, Margaretha de Looze, Matthias Richter, Pernille Due, HBSC Social Inequalities Focus Group