Modulation of brain structure by catechol-O-methyltransferase Val158Met polymorphism in chronic cannabis users - Batalla, Albert; Soriano-Mas, Carles; López-Solà, Marina; Torrens, Marta; Crippa, José Alexandre de Souza; Bhattacharyya, Sagnik; Blanco-Hinojo, Laura; Fagundo, Ana B.; Harrison, Ben J.; Nogué, Santiago; Torre, Rafael de la; Farré, Magí; et al. (Addiction Biology, 2013)