Flere doktorgrader har blitt utført av personer ansatt ved eller tilknyttet NSGU. Her presenteres de ulike avhandlingene i omvendt kronologisk rekkefølge. Hvis avhandlingen er lagt ut på Bora er denne lenket fra avhandlingens tittel.

    1. Tarek Ramzi Elia Mazzawi: The Role of Diet in Irritabel Bowel Syndrome with special reference to Gut Neuroendocrine System. University of Bergen, 2015. ISBN: 978-82-308-2561-7
    2. Jo Erling Riise Waage: Strain elastography evaluation of rectal tumours – a critical assessment of a new imaging modality. University of Bergen, 2014.
    3. Tore Bjørn Grimstad Anti-inflammatory effects of marine nutritional products in the treatment of ulcerative colitis. Based on clinical and animal studies. University of Bergen, 2013. ISBN: 978-82-308-2238-8.
    4. Kim Nylund: Ultrasound in Crohn's disease -bowel wall characteristics and perfusion estimates using microbubbles. University of Bergen, 2013. ISBN: 978-82-308-2193-0.
    5. Roald Flesland Havre: Tissue characterisation by ultrasound strain imaging –Methodological aspects and gastroenterological applications. University of Bergen,  2012.  ISBN: 978-82-308-2116-9.    
    6. Veronica Solteszova: Perception-Augmenting Illumination. University of Bergen, 2012. ISBN: 978-82-308-2118-3.
    7. Paolo Angelelli: Visual exploration of Human Physiology- Visualising Perfusion, Blood Flow and Aging. University of Bergen, 2012. ISBN: 978-82-308-2073-5.
    8. Maja Mujic: Molecular imaging for cancer diagnostics and targeted therapy. University of Bergen, 2012. ISBN: 978-82-308
    9. Dag Arne Lihaug Hoff: Esophageal pain sensation during bag distension -bichemical or ischemic in origin? Studied by a multi-modal device incorporating laser Doppler flowmetry, endosonography, manometry and bag distension. University of Bergen, 2010. ISBN: 978-82-308-0964-8.
    10. Aymen B. Ahmed: Ultrasound Strain Rate Imaging in Functional Dyspepsia. –In vitro and clinical evaluation, University of Bergen, 2008. ISBN: 978-82-308-0531-2
    11. Johan Lunding: Gastric accommodation in functional dyspepsia -studied by barostat and ultrasonography. University of Bergen, 2008. ISBN: 978-82-308-0524-4.
    12. Ina Hjelland: Lifestyle aspects in functional dyspepsia. Influence of relaxation and meals on vagal activity, gastric accommodation and symptoms. University of Bergen, 2007.
    13. Lars Birger Nesje: Endoscopic ultrasonography in the evaluation gastrointestinal diseases. Methodological aspects and clinical applications. Institute of Medicine, University of Bergen. 2001.
    14. Solomon Tefera: Gastric factors in the pathogenesis of reflux esophagitis. Institute of Medicine, University of Bergen. 2001.
    15. E. Olafsdottir: Functional abdominal pain in children. Dept of Pediatrics and Institute of Medicine, University of Bergen. 2001.
    16. Kristian Hveem: Insights into gastric antral motility with special references to the pathophysiology of functional dyspepsia. Institute of Medicine, University of Bergen. 2001.
    17. KA Undeland: Gastric meal accommodation and vagal tone in patients with diabetes mellitus. Dissertation. Medical Dept. A, University of Bergen. 1998.
    18. Odd Helge Gilja: Functional dyspepsia studied by two- and three-dimensional ultrasonography. Significance of gastric meal accommodation. University of Bergen, 1997. ISBN 82-7788-045-6.
    19. Trygve Hausken: Functional dyspepsia - antral motility and symptoms in response to stress and medical intervention. University of Bergen 1992.