Förstl, H.; Kurz, A. (16 de dezembro de 1999). «Clinical features of Alzheimer's disease». European Archives of Psychiatry and Clinical Neuroscience. 249 (6): 288–290. PMID10653284. doi:10.1007/s004060050101
Förstl, H.; Kurz, A. (16 de dezembro de 1999). «Clinical features of Alzheimer's disease». European Archives of Psychiatry and Clinical Neuroscience. 249 (6): 288–290. PMID10653284. doi:10.1007/s004060050101