1. Novel observational study designs with new influenza vaccines

   Hak, E. 6-Feb-2015 In : Lancet Infectious Diseases. 15, p. 253-254

   Research output: Contribution to journal › Article

2. Birth cohort appeared to confound effect estimates of guideline changes on statin utilization

   Bijlsma, M. J., Janssen, F., Lub, R., Bos, J. H. J., De Vries, F. M., Vansteelandt, S. & Hak, E. Mar-2015 In : Journal of Clinical Epidemiology. 68, 3, p. 334-340 7 p.

   Research output: Contribution to journal › Article

3. Is combined use of SSRIs and NSAIDs associated with an increased risk of starting peptic ulcer treatment?

   Pouwels, K. B., Kalkman, G. A., Schagen, D., Visser, S. T. & Hak, E. Jul-2014 In : British Journal of Clinical Pharmacology. 78, 1, p. 192-193 2 p.

   Research output: Contribution to journal › Letter

4. Effectiveness of seasonal influenza vaccine in community-dwelling elderly people: a meta-analysis of test-negative design case-control studies

   Darvishian, M., Bijlsma, M. J., Hak, E. & van den Heuvel, E. R. Dec-2014 In : Lancet Infectious Diseases. 14, 12, p. 1228-1239 12 p.

   Research output: Contribution to journal › Article

5. Antibiotic use among dutch pregnant woman and the development of toddler asthma: The influence of confounding

   Mulder, B., Pouwels, K. B., Schuiling-Veninga, N. C. M., Bos, J., De Vries, T. W., Jick, S. S. & Hak, E. Oct-2014 In : Pharmacoepidemiology and Drug Safety. 23, S1, p. 20-21 2 p.

   Research output: Contribution to journal › Meeting Abstract

6. After adjusting for bias in meta-analysis seasonal influenza vaccine remains effective in community-dwelling elderly

   Darvishian, M., Gefenaite, G., Turner, R. M., Pechlivanoglou, P., Van der Hoek, W., Van den Heuvel, E. R. & Hak, E. Jul-2014 In : Journal of Clinical Epidemiology. 67, 7, p. 734-744 11 p.

   Research output: Contribution to journal › Review article

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1. De plaats van de Real-world data". What do the experts think

   Eelko Hak

   05/07/2018

   1 media contribution

   Press/Media: Expert Comment

2. Griepprik helpt niet tegen huidig virus door verkeerde keuze cocktailprik

   Eelko Hak

   21/01/2018

   1 media contribution

   Press/Media: Other

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1. Symposium 100 years after the 1918 pandemic

   Hak, E. (Chair)

   26-Jan-2018

   Activity: Scientific › Participation in conference

2. Big Data in de gezondheidszorg: van chaos naar causaliteit

   Hak, E. (Keynote speaker)

   15-May-2018

   Activity: Talk or presentation › Invited talk

3. Nationaal Preventiedebat- Infectieziekten

   Hak, E. (Invited speaker)

   27-Nov-2014

   Activity: Talk or presentation › Invited talk

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1. Best abstract award. 30th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management

   Eelko Hak (Recipient), 24-Oct-2014

   Prize

2. Best abstract award European Respiratory Society contress

   Eelko Hak (Recipient), 24-Oct-2014

   Prize

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