Vulnerability of the nigrostriatal system as detected by transcranial ultrasoundDaniela Berg, Klaus W. Lange, Wolfgang H. Jost et al.|Neurology|1999Cited by 313
Depression in Parkinson's disease: brainstem midline alteration on transcranial sonography and magnetic resonance imagingDaniela Berg, Georg Becker, Tillmann Supprian et al.|Journal of Neurology|1999Cited by 128
Ceruloplasmin gene variations and substantia nigra hyperechogenicity in Parkinson diseaseHelmine Hochstrasser, Daniela Berg, Peter Bauer et al.|Neurology|2004Cited by 112
Lesion pattern in patients with multiple sclerosis and depressionDaniela Berg, Georg Becker, Anja Horowski et al.|Multiple Sclerosis Journal|2000Cited by 111