Genetic identification of ricketsial isolates from fatal cases of Brazilian spotted fever, and comparison with Rickettsia rickettsii isolates from the American continent - Labruna, Marcelo Bahia; Santos, Fabiana Cristina Pereira dos; Ogrzewalska, Maria; Nascimento, Elvira M. M.; Colombo, Silvia; Marcili, Arlei; Angerami, Rodrigo Nogueira (Journal of Clinical Microbiology, 2014)