Search Results - Nikolai Czajkowski

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  1. 1
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    Advantages of linking national registries with twin registries for epidemiological research by Line C. Gjerde, Fartein Ask Torvik, Kristian Amundsen Østby, Gun Peggy Knudsen, Nikolai Czajkowski, Ted Reichborn-Kjennerud, Ragnhild E. Ørstavik

    Published 2016
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  2. 2
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    The Norwegian Twin Registry by Thomas S. Nilsen, Ingunn Brandt, Nikolai Czajkowski, Gun Peggy Knudsen, Per Magnus, Ted Reichborn-Kjennerud, Kristian Tambs, Jennifer R. Harris, Ragnhild Ørstavik

    Published 2016
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    Does low alcohol use increase the risk of sickness absence? A discordant twin study by Kristian Amundsen Østby, Nikolai Czajkowski, Gun Peggy Knudsen, Eivind Ystrøm, Line C. Gjerde, Kenneth S. Kendler, Ragnhild E Ørstavik, Ted Reichborn-Kjennerud

    Published 2016
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