Is 5- aminolevulinic acid a source of free radicals in lead poisoning ? - Bechara, Etelvino José Henriques; Monteiro, H P; Hermes-Lima, M; Pereira, Benedito; Medeiros, Marisa Helena Gennari de; Di Mascio, Paolo; Curi, Rui; Soboll, S; Vercesi, A E (European International Society for the Study of Xenobiotics, 1992)