1. Stunkard AJ, Foch TT, Hrubec Z (1986) A twin study of human obesity. JAMA 256:51–54
2. Wade J, Milner J, Krondl M (1981) Evidence for a physiological regulation of food selection and nutrient intake in twins. Am J Clin Nutr 34:143–147
3. Maes HH, Neale MC, Eaves LJ (1997) Genetic and environmental factors in relative body weight and human adiposity. Behav Genet 27:325–351
4. Allison DB, Kaprio J, Korkeila M, Koskenvuo M, Neale MC, Hayakawa K (1996) The heritability of body mass index among an international sample of monozygotic twins reared apart. Int J Obes Relat Metab Disord 20:501–506
5. Allison DB, Heshka S, Neale MC, Lykken DT, Heymsfield SB (1994) A genetic analysis of relative weight among 4,020 twin pairs, with an emphasis on sex effects. Health Psychol 13:362–365