1Chwastiak L,Ehde DM,Gibons LE,etal.Depressive sym ptom s and severity ofillness in m ultiple sclerosis:an epidem iologicalstudy ofa large com m unity sam ple[].American Journal of Psychiatry.2002
2Patten SB,Beck CA,W illiam s JV,et al.M ajor de-pression in m ultiple sclerosis:a population-basedd perspective[].Neurology.2003
3Sadovnik AD,Eisen RN,Ebers GC,etal.Cause of death in patients attending m ultiple sclerosis clinics[].Neurology.1991
4Schrag A,JahanshahiM,Quinn NP.W hatcontributes to depression in Parkinson,s disease[].Psychol M ed.2001
5Lam bert M,Robertson M.Depression in epilepsy:etiology,phenom enology and treatm ent[].Epilepsia.1999
6Schiffer RB,W inem an NM.Antidepressant pharm a-cotherapy of depression associated with m ultiple scle-rosis[].American Journal of Psychiatry.1990
7Carson AJ,M acH ale S,Allen K,et al.Depression after stroke and lesion location:a system atic review[].The Lancet.2000
