Brockow T, Wohlfahrt K, Hillert A, Geyh S, Weigl M, Franke T, Resch KL, Cieza A.
Identifying the concepts contained in the outcome measures of trials on depressive disorders using the International Classification of Functioning, Disability and Health as a reference.
J Rehab Med 2004; 44 Suppl: 49-55.