Contrasting effects of age on the plasma/whole blood lead ratio in men and women with a history of lead exposure - Barbosa Júnior, Fernando; Ramires, Irene; Rodrigues, Maria Heloísa Corrêa; Saint' Pierre, Tatiana D.; Curtius, Adilson José; Buzalaf, Marília Afonso Rabelo; Gerlach, Raquel Fernanda; Tanus-Santos, José Eduardo (Environmental Research, 2006)