In vitro screening for antiplasmodial activity of isoquinoline alkaloids from Brazilian plant species - Fischer, D C; de Amorim Gualda, N C; Bachiega, D; Carvalho, C S; Lupo, F N; Bonotto, S V; Alves Mde, O; Yogi, A; Santi, S M; Avila, P E; Kirchgatter, K; Moreno, P R (Acta Trop, 2004)