1. Amermino, V., Bellomonte, G., Cingolani, E.: Ann 1st Super Sanita 4, 65 (1968)
2. Cavina, G., Moretti, G., Mollica, A., Siniscalchi, P.: J. Chromatogr. 60, 179 (1971)
3. Cavina, G., Moretti, G., Mollica, A., Antonini, R.: Farmaco (Pavia) Ed. Prat. 26, 275 (1971)
4. Cavina, G., Moretti, G., Siniscalchi, P.: Ann 1st Super Sanita 4, 75 (1968)
5. Mestres, R., Berges, J. L.: Trav. Soc. Pharm. Montpellier 32, 313 (1972)