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Leffert HL, Koch KS.Leffert HL, et al.Ann N Y Acad Sci. 1980;339:201-15. doi: 10.1111/j.1749-6632.1980.tb15979.x.Ann N Y Acad Sci. 1980.PMID: 6930831No abstract available.
Koch KS, Lu XP, Brenner DA, Leffert HL.Koch KS, et al. Among authors: leffert hl.Biochem Biophys Res Commun. 1992 Feb 28;183(1):184-92. doi: 10.1016/0006-291x(92)91626-2.Biochem Biophys Res Commun. 1992.PMID: 1543489
Koch KS, Leffert HL.Koch KS, et al. Among authors: leffert hl.Ann N Y Acad Sci. 1980;349:111-27. doi: 10.1111/j.1749-6632.1980.tb29520.x.Ann N Y Acad Sci. 1980.PMID: 7013607Review.No abstract available.