Ashraf, A., Larson, A. N., Ferski, G., Mielke, C. H., Wetjen, N. M., & Guidera, K. J. (2013). Spinal stenosis frequent in children with multiple hereditary exostoses. Springer Berlin Heidelberg.

Ashraf, Ali, A. Noelle Larson, Gabriela Ferski, Cary H. Mielke, Nicholas M. Wetjen, ja Kenneth J. Guidera. Spinal Stenosis Frequent in Children With Multiple Hereditary Exostoses. Springer Berlin Heidelberg, 2013.

Ashraf, Ali, et al. Spinal Stenosis Frequent in Children With Multiple Hereditary Exostoses. Springer Berlin Heidelberg, 2013.