Goitein, R.; Torres, F. S.; Signorini, C. E. <b>Morphological Aspects Related to Feeding of Two Marine Skates <em>Narcine Brasiliensis Olfers</em> and <em>Rhinobatos horkelli</em> Müller & Henle</b&gt; - DOI: 10.4025/actascibiolsci.V20i0.4468. Acta Sci. Biol. Sci. 2008, 20, 165-169.