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By Malykh Sergey B.   Zyrianova Nadezhda M.   Kuravsky Lev S.  

Twin Research, Vol. 6, Iss. 4, 2003-08 ,pp. : 285-291

Australian Academic Press

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Genetic Analyses of Teacher Ratings of Problem Behavior in 5-Year-Old Twins

By Polderman Tinca J. C.   Posthuma Daniëlle   De Sonneville Leo M. J.   Verhulst Frank C.   Boomsma Dorret I.  

Twin Research and Human Genetics, Vol. 9, Iss. 1, 2006-02 ,pp. : 122-130

Australian Academic Press

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Disentangling Genetic, Environmental, and Rater Effects on Internalizing and Externalizing Problem Behavior in 10-year-old Twins

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Twin Research, Vol. 7, Iss. 2, 2004-04 ,pp. : 162-175

Australian Academic Press

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Heritability of Testosterone Levels in 12-Year-Old Twins and Its Relation to Pubertal Development

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Twin Research and Human Genetics, Vol. 9, Iss. 4, 2006-08 ,pp. : 558-565

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Cooperation and Competition as a Function of Zygosity in 7- to 9-Year-Old Twins - a comparison of Anglo-American and Chinese children

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Evolution and Human Behavior, Vol. 19, Iss. 6, 1998-11 ,pp. : 397-411

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