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Ripka JE, Ryan JW, Valido FA, Chung AY, Peterson CM, Urry RL.Ripka JE, et al. Among authors: chung ay.Biochem Biophys Res Commun. 1993 Oct 29;196(2):503-8. doi: 10.1006/bbrc.1993.2278.Biochem Biophys Res Commun. 1993.PMID: 8240320Free article.
Ryan JW, Valido FA, Chung AY, Ripka JE, Peterson CM, Urry RL.Ryan JW, et al. Among authors: chung ay.Biochem Biophys Res Commun. 1993 Oct 29;196(2):509-14. doi: 10.1006/bbrc.1993.2279.Biochem Biophys Res Commun. 1993.PMID: 8240321Free article.
Ryan JW, Chung A, Ryan US.Ryan JW, et al.Environ Health Perspect. 1980 Apr;35:165-70. doi: 10.1289/ehp.8035165.Environ Health Perspect. 1980.PMID: 6250809Free PMC article.