Antiviral activity of diterpenes isolated from the Brazilian marine alga Dictyota menstrualis against human immunodeficiency virus type 1 (HIV-1) - Pereira,H.S.; Leão-Ferreira,L.R.; Moussatché,N.; Teixeira,V.L.; Cavalcanti,D.N.; Costa,L.J. (Antiviral Res, 2004)