PREVIOUS reports of 18 patients with Wegener's Granulomatosis treated with immunosuppressive and cytotoxic drugs are reviewed, and 4 new cases are reported. The prognosis in these patients is shown to be significantly better than that found in previous series where such drugs were not used. Introduction Wegener's Granulomatosis—WG—is generally distinguished from other polyarteritic conditions b...

common in nature, having been documented in amphibians, insects, fish, birds, and especially within closely related plant species (Berger 1973; arnold 1992; Fritz et al. 1994; haddad et al. 1994; Parris et al. 1999; arnold et al. 1999; albert et al. 2006; Schierenbeck and Ellstrand 2009; Meyerson et al. 2010). allendorf et al. (2001) noted that hybridization is more common in fish than in other...