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APA Citation
Ortuño-Sierra, J., Aritio-Solana, R., & Fonseca-Pedrero, E. (2018). mental health difficulties in children and adolescents: The study of the SDQ in the Spanish National Health Survey 2011–2012. Psychiatry research, 259, 236–242. http://access.bl.uk/ark:/81055/vdc_100054582671.0x000047