Habib, M. (2004). "Athymhormia and Disorders of Motivation in Basal Ganglia Disease". The Journal of Neuropsychiatry and Clinical Neurosciences. 16 (4): 509–524. doi:10.1176/jnp.16.4.509. PMID15616180.
Habib, M. (2004). "Athymhormia and Disorders of Motivation in Basal Ganglia Disease". The Journal of Neuropsychiatry and Clinical Neurosciences. 16 (4): 509–524. doi:10.1176/jnp.16.4.509. PMID15616180.