By Boomsma DI   de Geus EJC   van Baal GCM   Koopmans JR   in Twin Research

ISSN:1369-0523|2|2|115-125

Australian Academic Press‎(1999)‎

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By Boomsma DI   Beem AL   van den Berg M   Dolan CV   Koopmans JR   Vink JM   de Geus EJC   Slagboom PE   in Twin Research

ISSN:1369-0523|3|4|323-334

Australian Academic Press‎(2000)‎

Access to resources Favorite 6.040764

By Koopmans J.R.   in Behavior Genetics

ISSN:0001-8244|29|6|445-453

Springer Publishing Company ‎(1999)‎

Access to resources Favorite 3.3911915

By Koopmans J.R.   in Behavior Genetics

ISSN:0001-8244|29|6|383-393

Springer Publishing Company ‎(1999)‎

Access to resources Favorite 3.3911915