Effect of a crude sulfated polysaccharide from Halymenia floresia (Rhodophyta) on gastrointestinal smooth muscle contractility
J. GraÇa, M. Bezerra, V. Lima, J. A. G. Rodrigues, Diego Levi Silveira Monteiro, A. Quinderé, R. Amorim, R. C. Paula, N. Benevides