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Greetfeld, M., Hessler-Kaufmann, J., Brandl, B., Skurk, T., Holzapfel, C., Quadflieg, N., … Voderholzer, U. (2020). Orthorexic tendencies in the general population: association with demographic data, psychiatric symptoms, and utilization of mental health services. Eating and Weight Disorders : EWD. https://doi.org/10.1007/s40519-020-00961-0 (Original work published 2020)

Hessler-Kaufmann, J., Meule, A., Greetfeld, M., Schlegl, S., & Voderholzer, U. (2021). Orthorexic tendencies in inpatients with mental disorders. Journal of Psychosomatic Research, 140, 110317. https://doi.org/10.1016/j.jpsychores.2020.110317