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Is relatively young age within a school year a risk factor for mental health problems and poor school performance? A population-based cross-sectional study of adolescents in Oslo, Norway
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2005)
Background Several studies have shown that children who are relatively young within a school year are at greater risk for poorer school performance compared with their older peers. One study also reported ...