Föcker, M., Timmesfeld, N., Bühlmeier, J., Zwanziger, D., Führer, D., Grasemann, C., … Libuda, L. (2021). Vitamin D Level Trajectories of Adolescent Patients with Anorexia Nervosa at Inpatient Admission, during Treatment, and at One Year Follow Up: Association with Depressive Symptoms. Nutrients, 13(7). https://doi.org/10.3390/nu13072356 (Original work published 2021)