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Wolf C, Riffel M, Weyman G, Douglas M, Norman S.Wolf C, et al. Among authors: riffel m.Environ Toxicol Chem. 2010 Aug;29(8):1795-803. doi: 10.1002/etc.227.Environ Toxicol Chem. 2010.PMID: 20821634
Wang M, Riffel M.Wang M, et al. Among authors: riffel m.Ecotoxicol Environ Saf. 2011 May;74(4):684-92. doi: 10.1016/j.ecoenv.2010.10.019. Epub 2010 Oct 29.Ecotoxicol Environ Saf. 2011.PMID: 21035855
Kropec A, Huebner J, Riffel M, Bayer U, Benzing A, Geiger K, Daschner FD.Kropec A, et al. Among authors: riffel m.Intensive Care Med. 1993;19(3):161-5. doi: 10.1007/BF01720533.Intensive Care Med. 1993.PMID: 8315124