TY - JOUR T1 - Functional alterations of the autonomic nervous system in Chagas' heart disease JO - Sao Paulo Medical Journal A1 - Amorim, Dalmo de Souza A1 - Marin Neto, José Antonio SN - 1516-3180 UL - 10.1590/S1516-31801995000200007 VL - 113 Y1 - 1995 PB - Brasil ER -