Abdala-Diaz, R. T.; Chabrillon, M.; Cabello-Pasini, A.; Lopez-Soler, B.; Figueroa, F. L. Effect of Porphyridium Cruentum Polysaccharides on the Activity of Murine Macrophage Cell Line RAW 264.7. Cienc. Mar. 2010, 36, 345-353.