Molecular analysis of clonally related Salmonella Typhi recovered from epidemiologically unrelated cases of typhoid fever, Brazil oleh Monique Ribeiro Tiba-Casas, Cláudio Tavares Sacchi, Cláudia Regina Gonçalves, Elisabete Aparecida Almeida, Flávia Barrosa Soares, Amanda Maria de Jesus Bertani, Sueli Aparecida Fernandes, Maria Bernadete de Paula Eduardo, Carlos Henrique Camargo