Arellano, J., V. Storch, and C. Sarasquete. “Ahistological and Histochemical Study of the Oesophagus and Oesogaster of the Senegal Sole, Solea Senegalensis”. European Journal of Histochemistry, Vol. 45, no. 3, Dec. 2009, pp. 279-94, doi:10.4081/1638.