Article Title,Year,Volume,Issue,Page Range,Author Clinical features and some factors of the anxiety and depressive disorders in patients with cardio-vascular diseases,2000,,,16-23,Ky Huu Nguyen Epidemiological and clinical features of depressive disorder,1999,,,18-21,Nghi Viet Tran Nerestoxin poisoning,2004,,,5-9,Nguyen Thi Du Study on the epidemiology of acute poisoning have treated at Thanh Nhan hospital in Ha Noi,2004,,,39-44,To Van Hai