Mindful2Work: Effects of Combined Physical Exercise, Yoga, and Mindfulness Meditations for Stress Relieve in Employees. A Proof of Concept Study von de Bruin, Esther I., Formsma, Anne R., Frijstein, Gerard, Bögels, Susan M.

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Modelling the return on investment of preventively vaccinating healthcare workers against pertussis von Tariq, Luqman, Mangen, Marie-Josee J, Hovels, Anke, Frijstein, Gerard, de Boer, Hero

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Vitamin D deficiency in Crohn's disease and healthy controls: A prospective case–control study in the Netherlands von de Bruyn, Jessica R., van Heeckeren, Rosanne, Ponsioen, Cyriel Y., van den Brink, Gijs R., Löwenberg, Mark, Bredenoord, Albert J., Frijstein, Gerard, D’Haens, Geert R.

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Alcohol-, drugs- en medicijnbeleid op het werk von Blokland, Maddy A, Spronk, Desirée B, Frijstein, Gerard

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Alcohol-, drugs- en medicijnbeleid op het werk: Belemmeringen en oplossingen von Blokland, Maddy A, Spronk, Desirée B, Frijstein, Gerard

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Modelling the return on investment of preventively vaccinating healthcare workers against pertussis von Tariq, Luqman, Mangen, Marie-Josée J, Hövels, Anke, Frijstein, Gerard, de Boer, Hero

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Planning and process evaluation of a multi-faceted influenza vaccination implementation strategy for health care workers in acute health care settings von Riphagen-Dalhuisen, Josien, Frijstein, Gerard, van der Geest-Blankert, Nannet, Danhof-Pont, Marita, de Jager, Herbert, Bos, Nita, Smeets, Ed, de Vries, Marjan, Gallee, Pieter, Hak, Eelko

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