A Xylogalactofucan from the Brown Seaweed Spatoglossum schröederi Stimulates the Synthesis of an Antithrombotic Heparan Sulfate from Endothelial Cells - de Oliveira Rocha, Hugo Alexandre; de Medeiros Bezerra, Luana Cristina Lins; de Albuquerque, Ivan Rui Lopes; Costa, Leandro Silva; Guerra, Celina Maria Pinto; de Abreu, Luiz Diz; Nader, Helena Bonciani; Leite, Edda Lisboa (Planta Medica, 2005)