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Kehrig HA, Malm O, Akagi H, Guimarães JR, Torres JP.Kehrig HA, et al. Among authors: malm o.Environ Res. 1998 May;77(2):84-90. doi: 10.1006/enrs.1998.3836.Environ Res. 1998.PMID: 9600800
Kehrig HA, Costa M, Moreira I, Malm O.Kehrig HA, et al. Among authors: malm o.Environ Sci Pollut Res Int. 2001;8(4):275-9. doi: 10.1007/BF02987407.Environ Sci Pollut Res Int. 2001.PMID: 11605610