Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer

ORCID: 0000-0003-1941-2681

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  1. Published

    No effect of anti-TNF-α agents on the surgical stress response in patients with inflammatory bowel disease undergoing bowel resections: a prospective multi-center pilot study

    El-Hussuna, A., Qvist, N., Zangenberg, M. S., Langkilde, A., Siersma, Volkert Dirk, Hjort, S. & Gögenur, I., 2018, In: BMC Surgery. 18, 10 p., 91.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Reconstruction of the anterior cruciate- and anterolateral ligament deficient knee with a modified iliotibial graft reduces instability more than with an intra-articular hamstring graft

    Eljaja, S. B., Konradsen, L., Siersma, Volkert Dirk, Athwal, K., Amis, A. A. & Krogsgaard, Michael R., 2020, In: Knee Surgery, Sports Traumatology, Arthroscopy. 28, p. 2526–2534 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Documenting organisational development in general practice using a group-based assessment method: the Maturity Matrix

    Eriksson, T., Siersma, Volkert Dirk, Løgstrup, L., Buch, M., Elwyn, G. & Edwards, A., Jul 2010, In: Quality and Safety in Healthcare. 19, 5, p. 1-7 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    The majority of sick children receive paracetamol during the winter

    Ertmann, Ruth Kirk, Møller, J. J., Waldorff, Frans Boch, Siersma, Volkert Dirk, Reventlow, Susanne & Söderström, M., 2012, In: Danish Medical Journal. 59, 12, p. A4555

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Selection bias in general practice research: analysis in a cohort of pregnant Danish women

    Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Siersma, Volkert Dirk, Overbeck, Gritt, Wilson, Philip Michael John & Lutterodt, Melissa C., 2020, In: Scandinavian Journal of Primary Health Care. 38, 4, p. 464-472 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Mental vulnerability before and depressive symptoms during pregnancy and postpartum: a prospective population-based cohort study from general practice

    Ertmann, Ruth Kirk, Lyngsøe, B. K., Nicolaisdottir, Dagny Ros, Kragstrup, Jakob & Siersma, Volkert Dirk, 2022, In: Nordic Journal of Psychiatry. 76, 4, p. 243-249 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Sleep complaints in early pregnancy. A cross-sectional study among women attending prenatal care in general practice

    Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Siersma, Volkert Dirk & Lutterodt, Melissa C., 2020, In: B M C Pregnancy and Childbirth. 20, 9 p., 123.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    What factors are most important for the development of the maternal-fetal relationship? A prospective study among pregnant women in Danish general practice

    Ertmann, Ruth Kirk, Bang, C. W., Kriegbaum, Margit, Væver, Mette Skovgaard, Kragstrup, Jakob, Siersma, Volkert Dirk, Wilson, Philip Michael John, Lutterodt, Melissa C. & Smith-Nielsen, Johanne, 2021, In: BMC Psychology. 9, 1, 9 p., 2.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Physical discomfort in early pregnancy and postpartum depressive symptoms

    Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Siersma, Volkert Dirk, Lutterodt, Melissa C. & Bech, P., 2019, In: Nordic Journal of Psychiatry. 73, 3, p. 200-206 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Infants' symptoms of illness assessed by parents: Impact and implications

    Ertmann, Ruth Kirk, Siersma, Volkert Dirk, Reventlow, Susanne & Söderström, M., 1 Jun 2011, In: Scandinavian Journal of Primary Health Care. 29, 2, p. 67-74 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 3512987