7Mc Quaid JR, Stein MB, Laffaye C, et al. Depression in a primary care clinic: the prevalence and impact of an unrecognized disorder[J].J Affect Disord,1999,55:1-10.
8Jenkins R, Bebbington P, Brugha M, et al. Britric morbidity surrey[J]. Brit J Psychiatry, 1998,173:4-7.
9Lyk L, Chidgey J, Addington-Hall J, et al. Depression in palliative care: a systematic review. part 2. Treatment[J].Palliat Med, 2002,16 (4) : 279.