Background Recent research has emphasised that the challenge in researching socioeconomic differences in adolescent health cross-nationally lies in providing valid and comparable measures of ...
Dr Salomaa, KTL-National Public Health Institute, Department of Epidemiology and Health Promotion, Mannerheimintie 166, FIN-00300 Helsinki, Finland (veikko.salomaa{at}ktl.fi) OBJECTIVE To examine ...
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