Article Title,Year,Volume,Issue,Page Range,Author Studies of death by suicide. IV. Death by suicide in the city of Recife,1966,20,2,139-153,Barbosa Studies on death by suicide. 3. Death by suicide in the interior of the state of São Paulo,1966,20,1,1-23,Barbosa Studies of mortality by suicide. I. Discussion on its value as an indicator of the level of mental health. II. Mortality by suicide in the city of São Paulo,1965,19,1,33-66,Barbosa