Marin-Neto, J.A., Simões, M.V., Ayres-Neto , E.M., Attab-Santos, J.L., Gallo Jr., L., Amorim, D.S. and Maciel, B.C. 1995. Studies of the coronary circulation in Chagas’ heart disease . São Paulo Medical Journal. 113, 2 (Mar. 1995), 826–834.