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Brockman HE, de Serres FJ, Hung CY, Ong T.Brockman HE, et al. Among authors: de serres fj.Mutat Res. 1989 Jul;218(1):1-11. doi: 10.1016/0921-8777(89)90040-2.Mutat Res. 1989.PMID: 2526296
Brockman HE, de Serres FJ, Ong TM, Hung CY.Brockman HE, et al. Among authors: de serres fj.Mutat Res. 1987 Mar;177(1):61-75. doi: 10.1016/0027-5107(87)90022-4.Mutat Res. 1987.PMID: 2950320