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9. The social development of twins in longitudinal perspective: how stable is genetic determination over age 2 to 9? Lytton H, Watts D. Prog Clin Biol Res; 1981; 69 Pt B():255-9. PubMed ID: 7199169 [No Abstract] [Full Text] [Related]
10. Twin-family studies of common fears and phobias. Rose RJ, Miller JZ, Pogue-Geile MF, Cardwell GF. Prog Clin Biol Res; 1981; 69 Pt B():169-74. PubMed ID: 7199159 [No Abstract] [Full Text] [Related]
14. Personality factors in monozygotic and dizygotic twins: a comparative study. De Leo D, Capodieci S, Villa A. Psychol Rep; 1992 Dec; 71(3 Pt 2):1115-22. PubMed ID: 1480689 [Abstract] [Full Text] [Related]
18. Rethinking twins and environments: possible social sources for assumed genetic influences in twin research. Horwitz AV, Videon TM, Schmitz MF, Davis D. J Health Soc Behav; 2003 Jun; 44(2):111-29. PubMed ID: 12866384 [Abstract] [Full Text] [Related]
19. Further evidence for genetic influences on educational achievement. Gill CE, Jardine R, Martin NG. Br J Educ Psychol; 1985 Nov; 55 ( Pt 3)():240-50. PubMed ID: 4084442 [No Abstract] [Full Text] [Related]