Detection of Brazilian spotted fever infection by polymerase chain reaction in a patient from the state of São Paulo - Nascimento, Elvira Maria Mendes; Gehrke, Flávia de Sousa; Maldonado, Rosa Amélia; Colombo, Silvia; Silva, Luiz Jacintho da; Schumaker, Teresinha Tizu Sato (Memórias do Instituto Oswaldo Cruz, 2005)