Functional polymorphism in the GPR55 gene is associated with anorexia nervosa - Ishiguro, H; Onaivi, E S; Horiuchi, Y; Imai, K; Komaki, G; Ishikawa, T; Suzuki, M; Watanabe, Y; Ando, T; Higuchi, S; Arinami, T (Synapse, 2011)