Differential Psychological and Social Impact of the COVID-19 Pandemic on Spanish Youth With and Without Non-Suicidal Self-Injury: A Longitudinal Analysis. - Schmidt, Carlos; Otero, Daniela; Pascual, Juan C.; Romero, Soledad; Puntí, Joaquim; Lara, Anaís; Sintes, Anna; Méndez, Iria; Nicolaou, Stella; Soler, Joaquim; Vega, Daniel (Actas Espanolas de Psiquiatria, 2026)