Baldy, J. L. da S. .; Takaoka, L. .; Chieffi, P. P. .; Mocelin, A. J. .; Brandina, L. . Chagas’disease by Blood Transfusion in Londrina, Paraná State. Report of Two Acute Cases Treated With Nifurtimox. Rev. Inst. Med. Trop. São Paulo 1979, 21 (3), 155-159.