1. P 45 Ultrasonography of facial muscles in patients with Parkinson's disease. Issue 10 (October 2017) Authors: Heinzl, A.; Guntinas-Lichius, O.; Prell, T.; Sturm, V.; Volk, F. Journal: Clinical neurophysiology Issue: Volume 128:Issue 10(2017:Oct.) Page Start: e352 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗