Investigation of measles IgM-seropositive cases of febrile rash illnesses in the absence of documented measles virus transmission, State of São Paulo, Brazil, 2000-2004 - Ciccone, Flávia Helena; Carvalhanas, Telma Regina Marques Pinto; Afonso, Ana Maria Sardinha; Flannery, Brendan; Waldman, Eliseu Alves (Revista da Sociedade Brasileira de Medicina Tropical, 2010)