1. Substantia nigra hyperechogenicity in essential tremor and Parkinson's disease: a longitudinal study. (27th June 2019) Authors: Cardaioli, G.; Ripandelli, F.; Paolini Paoletti, F.; Nigro, P.; Simoni, S.; Brahimi, E.; Romoli, M.; Filidei, M.; Eusebi, P.; Calabresi, P.; Tambasco, N. Journal: European journal of neurology Issue: Volume 26:Number 11(2019) Page Start: 1370 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗