Activity of a sulfated polysaccharide extracted from the red seaweed Agardhiella tenera against human immunodeficiency virus and other enveloped viruses - Witvrouw,M.; Este,J.A.; Mateu,M.Q.; Reymen,D.; Andrei,G.; Snoeck,R.; Ikeda,S.; Pauwels,R.; Bianchini,N.V.; Desmyter,J.; De Clercq,E. (Antiviral Chem. Chemother., 1994)