Dr. Kassai Tibor szerk.: Parasitologia Hungarica 2. (Budapest, 1969)

2. / ARROYAVE, G., WILSON, D

., MENDEZ, J., BÉHAR, M. and SCRIMSAW, N.S.: Serum and liver vitamin A and lipids in protein malnutrition. Amer. J. Clin. Nutrit. 9: 180-185 (1961). 3. / AWDEH, Z.L.: The separation of vitamin A from carotenoids in micro samples of serum. Ann. Biochem. 10: 156 (1965). 4. / EMBER, M. and MINDSZENTI, L. :. Effect of giardiasis upon hlood levels of vitamin A. Proc. 1st. Int. Congr. Parasit. Roma 1964, p. 362. (Pergamon, Oxford 1966.) 5. / EMBER, M., JÍN0SSY, G. és MINDSZENTY, L.: Összefüggések a giardiasis és a vér A vitamin szintje között. Budapesti Vitamin Napok. Budapest 1965. 6. / GANGULY, J. and KRINSKY, N.J.: Yitamin A-alcohol in plasma and liver. Biochem. J. 54: 177-181 (1953). 7. / GLOOR, U.andWISS, 0.: Fat-soluble vitamins. Ann.Rev. Biochem. 33: 313-330 (1964). 8. / KATSAMPES, O.P., McCOORD, A.B. and PHILLIPS, W.A.: Yitamin A absorption test in cases of giardiasis. Amer. dis. Child. 6J_: 189-193 (1944). 9. / KRAMER, M. and SZŐKE, S.: Personal communication (1964). 10. / LASTER, L. and INGELFINGER, F.J.: Intestinal absorption. New Engl. J. Med. 264: 1138-1148, 1192-1200, 1246-1253 (1961). 11. / LEITNER, Z.A.: Yitamin A. Proc. of the Nutrition on Society Conference on Yitamin A (1950). Cit.: Brit. J. Nutr. 5,: 130-142 (1951). 12. / MAKARA, G.G.: Epidemiology and control of protozoon infections other than amoebi-asis. WHO Training Course on Enteric Infections. Budapest 1965. 13. / McLAREN, D.S.: World hunger some misconceptions. Lancet, 86-87 (1963). 14. / McLAREN, D.S.: Present knowledge of the role of vitamin A in health and disease. Trans. Roy. Soc. Trop. Med. Hyg., 60: 436-462 (1966). 15. / MOORE, T.: Vitamin A. Elsevier, Amsterdam 1957. 16. / MOORE, T.: Pathology of vitamin A deficiency. Vitam. Horm. N.Y. 18: 499-^14 (I960).