Bouwmans, A. E. P., Vlaar, A. M. M., Mess, W. H., Kessels, A., & Weber, W. E. J. (2013). Specificity and sensitivity of transcranial sonography of the substantia nigra in the diagnosis of Parkinson's disease: Prospective cohort study in 196 patients. BMJ Publishing Group.

Bouwmans, Angela E P., Annemarie M M. Vlaar, Werner H. Mess, Alfons Kessels, und Wim E J. Weber. Specificity and Sensitivity of Transcranial Sonography of the Substantia Nigra in the Diagnosis of Parkinson's Disease: Prospective Cohort Study in 196 Patients. BMJ Publishing Group, 2013.

Bouwmans, Angela E P., et al. Specificity and Sensitivity of Transcranial Sonography of the Substantia Nigra in the Diagnosis of Parkinson's Disease: Prospective Cohort Study in 196 Patients. BMJ Publishing Group, 2013.