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Positive posttraumatic stress disorder screens among first-time medical cannabis patients: Prevalence and association with other substance use

Cannabis UseSubstance AbuseSubstance UseHealth SciencesPsychiatryAddiction TreatmentAddictionMedicineDepressionAddiction MedicineCannabisPsychoactive Substance UsePsychiatric DisorderMental HealthOther Substance UsePsychologyPost-traumatic Stress Disorder