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      Consumption of addictive substances, marijuana by students of North Portugal 

      Verganista Martins Fernandes, Henriqueta Ilda; Costa Andrade, Luisa María; Ferreira Martins, María Manuela; Martins, María Teresa; Carneiro Rolim, Karla María; Guerra Martín, María Dolores (Universidad de Murcia, 2019)
      Introduction: The consumption of addictive substances is a public health problem likely to precipitate other risk behaviours ...