Urban malaria in the Brazilian Western Amazon Region I. High prevalence of asymptomatic carriers in an urban riverside district is associated with a high level of clinical malaria - Tada, Mauro Shugiro; Marques, Russimeire Paula; Mesquita, Elieth; Martha, Rosimeire Cristina Dalla; Rodrigues, Juan Abel; Costa, Joana D'Arc Neves; Pepelascov, Rosario Rocha; Katsuragawa, Tony Hiroshi; Silva, Luiz Hildebrando Pereira da (Memórias do Instituto Oswaldo Cruz, 2007)