1Laso C A,Gonzalez J J,Fresno F,et al.Prognostic value of mierometasrases in esophageal and eolorectal carcinoma(a clinical experience)[J].Hepatogastroentem-logy,2004,51(58):964.
2Fisch M.Treatment of depression in cancer[J].J Natl Cancer Inst Monogr,2004,32(6):105.
3Cella D F,T ross S,Orav E J,et al.Mood states of patient s after the diagnosis of cancer[J].Psychosoc Oncol,1989,7(1):45-54.