[Reference values for lead in blood in urban population in southern Brazil].Monica M.B. Paoliello, Peter R. Gutierrez, +11 authors R A CascalesRevista panamericana de salud publica = Pan…2001OBJECTIVE To describe the reference values for lead in blood in an urban population in the city of Londrina, in the state of Paraná, Brazil. MATERIALS AND METHODS The reference population was… (More)