| Marin, R S; Firinciogullari, S; Biedrzycki, R C (1994) Group differences in the relationship between apathy and depression. J Nerv Ment Dis 182:235-9 |
| Marin, R S; Firinciogullari, S; Biedrzycki, R C (1993) The sources of convergence between measures of apathy and depression. J Affect Disord 28:7-14 |
| Marin, R S; Firinciogullari, S; Biedrzycki, R C (1993) The sources of convergence between measures of apathy and depression. J Affect Disord 28:117-24 |
| Marin, R S; Biedrzycki, R C; Firinciogullari, S (1991) Reliability and validity of the Apathy Evaluation Scale. Psychiatry Res 38:143-62 |
| Marin, R S (1991) Apathy: a neuropsychiatric syndrome. J Neuropsychiatry Clin Neurosci 3:243-54 |
| Marin, R S (1990) Differential diagnosis and classification of apathy. Am J Psychiatry 147:22-30 |
