Substance use in Spanish adolescent gamblers before and after the COVID-19 pandemic state of alarm: a population-based study - Palacios-Cena, Domingo; Florencio, Lidiane Lima; Hernandez-Barrera, Valentin; Yeamans, Spencer; Jimenez-Trujillo, Isabel; Gallardo-Pino, Carmen; Carrasco-Garrido, Pilar (Scientific Reports, 2025)