6Derek R, Peter A. 24 years of pneumoconiosis mortality surveillance in Australia[J]. Journal of Occupational Health,2006, 48: 309-313.
7Almeida OP, Almeida SA. Short versions of the geriatric depression scale: a study of their validity for the diagnosis of a major depressive episode according to ICD-10 and DSM-IV[J].Int J Geriatr Psychiatry, 1999,14:858-865.
9Tang WK, Lure CM, Ng YYK, et al. Prevalence and correlate of depression in Chinese elderly patients with pneumoconiosis[J]. Aging Ment Health,2006, 10:177-181.
10Lebowitz BD, Pearson JL, Schneider LS, et al. Diagnosis and treatment of depression in late life. Consensus statement update[J]. JAMA, 1997,278(14): 1186-1190.
