Symptoms of mental health problems among Italian adolescents in 2017–2018 school year: a multicenter cross-sectional study. - Donato, Francesco; Triassi, Maria; Loperto, Ilaria; Maccaro, Alessia; Mentasti, Sara; Crivillaro, Federica; Elvetico, Antonella; Croce, Elia; Raffetti, Elena (Environmental Health & Preventive Medicine, 2021)