@article{article1872f4f2, title = {Histochemical study of polysaccharides, proteins, nucleic acids and enzymes and sulphate uptake in the esophagus epithelial cells of Xenodon merremii - Wagler, 1824 (Ophidia)}, author = {Ferri, Sylvio and Sottovia Filho, Dagoberto and Medeiros, Lucília Freire and Medeiros, Luiz Octávio de}, year = {1977}, journal = {Cellular and Molecular Biology} }