Search Results - Ragnhild E Ørstavik

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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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    Musculoskeletal pain and work absence - a 10 year follow-up study of Norwegian young adult twins by Ragnhild E. Ørstavik, Gun Peggy Knudsen, Kristian Tambs, Line C. Gjerde, Fartein Ask Torvik, Christopher Nielsen, Espen Røysamb, Ted Reichborn-Kjennerud

    Published 2016
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  3. 3
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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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