TU75. CANNABIS USE AND CNR1 GENE: EFFECTS ON PSYCHOTIC SYMPTOMS AND COGNITION IN FIRST-EPISODE PSYCHOSIS. - Oscoz-Irurozqui, Maitane; Almodóvar-Payá, Carmen; Guardiola-Ripoll, Maria; Guerreo-Pedraza, Amalia; Hostalet, Noemí; Pomarol-Clotet, Edith; Fatjó-Vilas, Mar (European Neuropsychopharmacology, 2021)