Cytomegalovirus antigenemia in acquired immunodeficiency syndrome patients with untreated cytomegalovirus retinitis - Pannuti, Cláudio Sérgio; Kallas, E G; Muccioli, C; Roland, R K; Ferreira, E C; Bueno, S M H S; Canto, C L M; Vilas Boas, L S; Belfort, R (American Journal of Ophtalmology, 1996)