Simonoff E, Pickles A, Meyer JM, et al. The Virginia twin study of adolescent behavioral development. Influences of age, sex, and impairment on rates of disorder. Arch Gen Psychiatry 1997; 54: 801–8.
Klein BS. Not all twins are alike. Psychological profiles of twinship. London, Praeger, 2003.
Favaro A, Ferrara S, Santonastaso P. The spectrumof eating disorders in young women: a prevalence study in a general population sample. Psychol Med 2003; 565: 701–8.
Bulik CM, Sullivan PF, Tozzi F, et al. Prevalence, heritability, and prospective risk factors for anorexia nervosa. Arch Gen Psychiatry 2006; 63: 305–12.
Wade TD, Bergin JL, Tiggemann M, et al. Prevalence and long-term course of lifetime eating disorders in an adult Australian twin cohort. Aust NZ J Psychiatry 2006; 40: 121–8.
Keski-Rahkonen A, Hoek HW, Susser ES, et al. Epidemiology and course of anorexia nervosa in the community. Am J Psychiatry 2007; 164: 1259–65.
Zazzo R. Les jumeaux, le couple et la personne. Paris, Presses Universitaires de France, 1960.
Túry F, Wildmann M, Szentes A. Tandem hypnosis with identical bulimic twins. Case report. Am J Clin Hypnosis 2011; 53: 271–81.
Le Grange D, Schwartz S. Family therapy for identical twins with anorexia nervosa. Eat Weight Disord 2003; 8: 84–7.
Wright L. Twins: genes, environment and the mystery of identity. London, Weidenfeld and Nicolson, 1997.
Marsden P, Lacey JH. Double bind: a study of two pairs of female monozygotic twins concordant for anorexia nervosa. Br J Psychother 1999; 16: 173–81.
Wiener JM. Identical male twins discordant for anorexia nervosa. J Am Acad Child Psychiatry 1976; 15: 523–34.
Wade TD, Treloar SA, Martin NG, et al. Monozygotic twin pairs discordant for lifetime anorexia nervosa: an exploratory investigation. Aust J Psychol 2004; 56: 127–32.
Senekjian E, Trad PV. Applying principles of individual, family and group psychotherapy to the treatment of twins. J Child Adolesc Group Ther 1994; 4: 3–26.