[Guerreiro and Machado reaction in the pericardial fluid of patients with chronic Chagás disease].
D014355:Chagas Disease / Q000175:diagnosis*; D003168:Complement Fixation Tests; D006801:Humans; D066298:In Vitro Techniques; D010496:Pericardium / Q000473:pathology*
Reação de Guerreiro e Machado no líquido pericárdico de portadores da cardite Chagásica crônica.