Change over time in perceived schoolwork pressure and associations with emotional problems among 11–16‐year‐olds: A repeat cross‐sectional study in Wales, UK. - Armitage, Jessica M.; Lewis, Gemma; Page, Nicholas; Tseliou, Foteini; Anthony, Rebecca; Murphy, Simon; Moore, Graham; Collishaw, Stephan (JCPP Advances, 2025)