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He, J., Ma, H., Barthels, F., & Fan, X. (2019). Psychometric properties of the Chinese version of the Düsseldorf Orthorexia Scale: prevalence and demographic correlates of orthorexia nervosa among Chinese university students. Eating and Weight Disorders : EWD, 24(3), 453-463. https://doi.org/10.1007/s40519-019-00656-1

Barthels, F., Müller, R., Schüth, T., Friederich, H., & Pietrowsky, R. (2019). Orthorexic eating behavior in patients with somatoform disorders. Eating and Weight Disorders : EWD. https://doi.org/10.1007/s40519-019-00829-y (Original work published 2019)

Barthels, F., , & Roncero, M. Orthorexia nervosa and healthy orthorexia as new eating styles. PloS One, 14(7), e0219609. https://doi.org/10.1371/journal.pone.0219609 (Original work published 2019)

Barthels, F., Kisser, J., & Pietrowsky, R. (2020). Orthorexic eating behavior and body dissatisfaction in a sample of young females. Eating and Weight Disorders : EWD. https://doi.org/10.1007/s40519-020-00986-5 (Original work published 2020)

Stricker, J., Barthels, F., Müller, R., & Pietrowsky, R. (2022). An exploratory study of associations between the ICD-11 personality disorder model and eating pathology. Journal of Eating Disorders, 10(1), 130. https://doi.org/10.1186/s40337-022-00658-y (Original work published 2022)