Local suppression of interferon-γ production by hepatic granuloma cells correlates with tissue-specific replication of Leishmania chagasi: M.E. Wilson, A.M. Blum, M. Sandor, A. Metwali, D. Elliott, R.G. Lynch, J.V. Weinstock. Depts. Internal Medicine, Microbiology & Pathology, University of Iowa and Veterans' Affairs Medical Center, Iowa City, IA