1. Engel R.H., Riggi S.J. (1969) Intestinal absorption of heparin: A study of the interactions of components of oil-in-water emulsion. J. Pharm. Sci.58, 1372–1375.
2. Frandoli G., Spreafico P.L., Lampugnani P., Tammaro A.E. (1972) Action on fibrinolysis and platelet aggregation of a synthetic, heparin-like sulfated polyanion (SP 54) given orally and parenterally, as related to lipidic fractions. Arzneim. Forsch.22; 759–763.
3. Honegger J. and Hadorn B. (1973) The determination of lipase activity in human duodenal juice. Biologie et Gastroenterologie,6; 217–23.
4. Niebes P., Schifflers M.H. (1975) Micromethod for the determination of glycosaminoglycans in the serum. Results from the serum of healthy and varicose subjects. Clin. Chim. Acta62; 195–202.
5. Turazza G., Spreafico P.L., Frandoli G. (1973) Comparative investigations on the effect of Nicotinic Acid alone and in association with a synthetic, heparin-like sulfated polyanion on fibrinolysis, platelet aggregation and lipidic fractions. Arzneim. Forsch.23; 654–657.