Evaluation of the use of salivary lead levels as a surrogate of blood lead or plasma lead levels in lead exposed subjects - Barbosa Júnior, Fernando; Rodrigues, Maria Heloísa Corrêa; Buzalaf, Marília Afonso Rabelo; Krug, Francisco José; Gerlach, Raquel Fernanda; Tanus-Santos, José Eduardo (Archives of Toxicology, 2006)