[1] Environmental Health Laboratory,
[2] Department of Maternal-Infant Nursing and Public Health,undefined
[3] University of São Paulo at Ribeirão Preto College of Nursing,undefined
[4] Av. Bandeirantes,undefined
[5] 3900,undefined
[6] CEP: 14040-902,undefined
[7] Ribeirão Preto,undefined
[8] São Paulo,undefined
[9] Pediatric Laboratory-Metal Sector,undefined
[10] General Hospital of the Faculty of Medicine at Ribeirão Preto,undefined
[11] Pediatric Department,undefined
[12] University of São Paulo,undefined
[13] HC-Bloco G. Sala 219,undefined
[14] Av. Bandeirantes,undefined
[15] 3900,undefined
[16] CEP: 14048-900,undefined
[17] Ribeirão Preto,undefined
[18] São Paulo,undefined
[19] Statistics Area,undefined
[20] Department of Maternal-Infant Nursing and Public Health,undefined
[21] University of São Paulo at Ribeirão Preto College of Nursing,undefined
[22] Av. Bandeirantes,undefined
[23] 3900,undefined
[24] CEP: 14040-902,undefined
[25] Ribeirão Preto,undefined
[26] São Paulo,undefined