Identifying the concepts contained in outcome measures of clinical trials on four internal disorders...

Wolff B, Cieza A, Parentin A, Rauch A, Sigl T, Brockow T, Stucki A.
Identifying the concepts contained in outcome measures of clinical trials on four internal disorders using the International Classification of Functioning, Disability and Health as a reference.
J Rehab Med 2004; 44 Suppl: 37-42.