J. Kozakowski

Most-cited papers

1. Obesity in menopause – our negligence or an unfortunate inevitability?

   J. Kozakowski, M. Gietka-Czernel, D. Leszczyńska, A. Majos

   2017Przeglad menopauzalny = Menopause review172 citations Open access

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2. Thyroid autoimmunity and its negative impact on female fertility and maternal pregnancy outcomes

   K. Tańska, M. Gietka-Czernel, Piotr Glinicki, J. Kozakowski

   2023Frontiers in Endocrinology85 citations Open access

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3. Body composition, glucose metabolism markers and serum androgens - association in women with polycystic ovary syndrome.

   J. Kozakowski, W. Zgliczyński

   2013Endokrynologia Polska23 citations

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4. Associations of vitamin D concentration with metabolic and hormonal indices in women with polycystic ovary syndrome presenting abdominal and gynoidal type of obesity.

   J. Kozakowski, Renata Kapuścińska, W. Zgliczyński

   2014Ginekologia Polska20 citations

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5. Gastric electrical stimulation treatment of type 2 diabetes: effects of implantation versus meal-mediated stimulation. A randomized blinded cross-over trial

   H. Lebovitz, B. Ludvik, J. Kozakowski, W. Tarnowski +3 more

   2015Physiological Reports16 citations Open access

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6. Ghrelin - growth hormone releasing and orexigenic hormone in men declines with age, insulin and with decrease in testosterone concentration.

   J. Kozakowski, M. Rabijewski, W. Zgliczyński

   2008Neuro - endocrinology letters15 citations

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7. Late-onset hypogonadism

   P. Dudek, J. Kozakowski, W. Zgliczyński

   2017Przeglad menopauzalny = Menopause review14 citations Open access

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8. The high prevalence of testosterone deficiency in population of Polish men over 65 years with erectile dysfunctions

   M. Rabijewski, L. Papierska, J. Kozakowski, W. Zgliczyński

   2012The Aging Male14 citations Open access

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9. Fetuin-A levels in lean and obese women with polycystic ovary syndrome.

   J. Kozakowski, W. Jeske, W. Zgliczyński

   2014Endokrynologia Polska12 citations Open access

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10. [The relationship between testosterone and dehydroepiandrosterone sulfate concentrations, insulin resistance and visceral obesity in elderly men].

    M. Rabijewski, J. Kozakowski, W. Zgliczyński

    2005Endokrynologia Polska8 citations

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11. Obesity in rheumatological practice

    J. Kozakowski, P. Dudek, W. Zgliczyński

    2023Rheumatology7 citations Open access

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12. The effects of testosterone replacement therapy in men with age-dependent hypogonadism on body composition, and serum levels of leptin, adiponectin and C-reactive protein.

    P. Dudek, J. Kozakowski, W. Zgliczyński

    2020Endokrynologia Polska7 citations Open access

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13. Decrease in serum ghrelin levels in patients with acromegaly normalize after successful surgical treatment

    J. Kozakowski, M. Rabijewski, W. Zgliczyński

    20066 citations

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14. [The effect of growth hormone replacement therapy on markers of bone formation and bone mineral density in elderly men].

    J. Kozakowski, L. Papierska, J. Krassowski, S. Zgliczyński

    1998Polskie Archiwum Medycyny Wewnetrznej6 citations

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15. [Lowered ghrelin levels in acromegaly—normalization after treatment].

    J. Kozakowski, M. Rabijewski, W. Zgliczyński

    2005Endokrynologia Polska5 citations

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16. Multiple Endocrine Neoplasia Type 1

    Małgorzata Gietka-Czernel, J. Kozakowski, E. Szczepańska

    20045 citations Open access

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17. Obesity-diabetes-endocrinopathy – the metabolic connection

    J. Kozakowski, P. Dudek, W. Zgliczyński

    2022European Journal of Clinical and Experimental Medicine4 citations Open access

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18. Gastric Contractility Modulation - a novel method for the treatment of type 2 diabetes mellitus and obesity.

    J. Kozakowski, H. Lebovitz, W. Zgliczyński, W. Tarnowski

    2017Endokrynologia Polska4 citations Open access

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19. The DIAMOND system in the treatment of type 2 diabetes mellitus in an obese patient

    J. Kozakowski, H. Lebovitz, A. Kiciak, W. Zgliczyński +1 more

    2014Wideochirurgia i inne techniki maloinwazyjne = Videosurgery and other miniinvasive techniques3 citations Open access

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20. [The relationship between androgens concentrations (testosterone and dehydroepiandrosterone sulfate) and metabolic syndrome in non-obese elderly men].

    M. Rabijewski, L. Papierska, J. Kozakowski, W. Zgliczyński

    2007Endokrynologia Polska3 citations

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21. The hypothalamic-pituitary-gonadal axis dysfunction in men practicing competitive sports

    P. Dudek, J. Kozakowski, W. Zgliczyński

    2020Wiedza Medyczna2 citations Open access

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22. Testosterone suplementation in men

    P. Dudek, J. Kozakowski

    20171 citations

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23. Impairment of male fertility – a consequential problem of our time. The impact of obesity and related metabolic disorders

    J. Kozakowski, P. Dudek

    20171 citations

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24. Association between abdominal and gynoid fat mass, metabolism markers and serum androgens in obese women with polycystic ovary syndrome**

    J. Kozakowski, M. Rabijewski, W. Zgliczyński

    20121 citations

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25. The relationship of serum testosterone, estradiol and dehydroepiandrosterone sulfate to erectile dysfunction in healthy, aging male

    M. Rabijewski, J. Kozakowski, W. Zgliczyński

    20101 citations

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26. [The beneficial effects of growth hormone replacement therapy on elderly men].

    J. Kozakowski, M. Adamkiewicz, J. Krassowski, S. Zgliczyński

    1999Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego1 citations

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27. Why does body weight often increase again after initial loss? The role of metabolic adaptation

    J. Kozakowski, P. Dudek

    2025Wiedza Medyczna0 citations Open access

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28. Obesity and psychiatric disorders

    Katarzyna Karoń, J. Kozakowski

    2023Wiedza Medyczna0 citations Open access

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29. Growth hormone, somatomedins and cancer risk

    J. Kozakowski, P. Dudek, W. Zgliczyński

    20200 citations Open access

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30. Marine-Lenhart syndrom

    A. Majos, D. Leszczyńska, J. Kozakowski, M. Gietka-Czernel

    20170 citations

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31. Eating disorder difficult to diagnose after bariatric surgery – a case report

    J. Kozakowski, Trudne do zdiagnozowania

    20160 citations

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32. Obesity and musculoskeletal system

    J. Kozakowski, układ mięśniowo-szkieletowy

    20160 citations

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33. Interventional treatment for type 2 diabetes

    J. Kozakowski

    20150 citations

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34. Gastric contractility modulation: a novel method for the treatment of type 2 diabetes mellitus with overweight and obesity: a preliminary results of the clinical study

    J. Kozakowski, H. Lebovitz, W. Tarnowski, W. Zgliczyński

    20140 citations

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35. Diagnosis of non-alcoholic fatty liver disease (NAFLD) in overweight and obese women with polycystic ovary syndrome (PCOS). Metabolic associations between NAFLD and PCOS – preliminary study

    J. Kozakowski, Renata Kapuścińska, W. Zgliczyński

    20140 citations

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36. Waist-to-Height Ratio – an Alternative Index for Evaluating Obesity and Assessing the Cardio-Metabolic Risk. A Study in Warsaw Adolescents

    J. Kozakowski, Aleksandra Wycisk, Andrzej Kulesza, W. Zgliczyński

    20130 citations

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37. Diagnostic imaging in metabolic disorders. From traditional to modern methods

    J. Kozakowski

    20130 citations

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38. Analysis of the Lipid Profile, Fasting Glucose Levels, and Their Familial Dependence in Warsaw Adolescents

    J. Kozakowski, Andrzej Kulesza, Aleksandra Wycisk, W. Zgliczyński

    20130 citations

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39. An assessment of clinical importance of low libido in the evaluation of men with late-onset hypogonadism**

    M. Rabijewski, L. Papierska, J. Kozakowski, W. Zgliczyński

    20120 citations

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40. Hypocaloric diet and pharmacological treatment reduces body weight, insulin resistance and androgen levels and restore menstruation in obese women with polycystic ovary syndrome.

    J. Kozakowski, W. Zgliczyński

    20100 citations

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41. The role of the endocannabinoid system in the pathogenesis of obesity

    J. Kozakowski, W. Zgliczyński

    20080 citations

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42. Obesity and psychiatric disorders Otyłość a choroby psychiczne

    K. Karoń, J. Kozakowski

    0 citations

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