Maintenance therapy after gastrointestinal cytomegalovirus (givmv) disease in allogeneic bone marrow transplant (bmt) recipients: is it necessary? - Machado, C M; Castelli, J B; Macedo, M C; Zambon, E; Massumoto, C M; Bohringer, B L; Ostronoff, M; Vilas Boas, L S; Pannuti, Cláudio Sérgio (International Cytomegalovirus Conference, 1995)