Serum endocannabinoid levels in suicide attempters: A pilot study. - Herranz-Herrer J; Gil-Benito E; Ponte-López T; Ortega-Gutiérrez S; Macicior J; Rosado-Garcia S; Sánchez-López AJ; Blasco-Fontecilla H (European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology, 2020)