Frostad, S. ., Calugi, S. ., Engen, C. ., & Grave, D. . (2021). Enhanced cognitive behaviour therapy (CBT-E) for severe and extreme anorexia nervosa in an outpatient eating disorder unit at a public hospital: a quality-assessment study. Journal of Eating Disorders, 9(1), 143. https://doi.org/10.1186/s40337-021-00499-1 (Original work published 2021)