TY - JOUR T1 - Cultured embryonic mouse heart cells as models for T. cruzi muscle cell interaction: characterization of spontaneous firing and chronotropic responses to norepinephrine JO - Memórias do Instituto Oswaldo Cruz A1 - Meirelles, Maria de Nazareth S. L de SN - 0074-0276 UL - 10.1590/S0074-02761988000500056 VL - 83 Y1 - 1988 PB - Brazil ER -