REFERENCES
- Amman, R. W., Berk, E., Fridhandler, L. & Wegmann, W. Ann. intern. Med. 1973, 78, 521–525.
- Aw, S. E., Hobbs, J. R. & Wotton, I. D. P. Gut 1967, 8, 402–406.
- Belfiore, F., Napoli, E. & Lo Vecchio, L. Clin. Chem. 1972, 18, 1403–1406.
- Belfiore, F. & Napoli, E. Clin. Chem. 1973, 19, 387–389.
- Färber, S., Schwachmann, H. & Maddock, C. J. clin. Invest. 1943, 22, 827–838.
- Got, R., Bertagnolio, G., Pradal, M. B. & Frot-Coutaz, J. clin. Chim. Acta 1968, 22, 545–550.
- Green, C. L. Amer. J. Obstet. Gynec. 1957, 73, 402–408.
- Janowitz, H. & Dreiling, D. Amer. J. Med. 1959, 27, 924–935.
- Kamarÿt, J. & Fintajslovä, Olga. Z. klin. Chem. 1970, 8, 564–566.
- Kuttner, M. & Somogyi, M. Proc. Soc. exp. Biol. (N. Y.) 1934, 32, 564–566.
- Laxova, Renata. J. med. Genet. 1972, 9, 321–323.
- Levitt, M. D., Rapoport, M. & Cooperband, S. R. Ann. intern. Med. 1969, 71, 919–925.
- Lilibridge, C. & Townes, P. J. Pediatr. 1973, 82, 279–282.
- McGeachin, R. L., Hargan, L. A., Potter, B. A. & Daus, A. T. Proc. Soc. exp. Biol. (N.Y.) 1958, 99, 130–131.
- Mayer, W. B. Bull. Johns Hopkins Hosp. 1929, 44, 246–247.
- Meites, S. & Rogols, S. CRC Crit. Rev. Clin. Lab. Sci. 1971, 2, 103–138.
- Nicory, C. Biochem. J. 1922, 6, 387–389.
- Rossiter, Mary, Barrowman, J. A., Daud, Anne & Wharton, B. A. Acta paediat. scand. 1974, 63, 389–392.
- Searcy, R., Berk, E., Hayashi, S. & Ackerman, B. Pediatrics 1967, 39, 294–296.
- Skude, G. Scand. J. clin. Lab. Invest. 1975, 55, 41–47.
- Somogyi, M. Arch, intern. Med. 1941, 67, 665–679.
- Takeuchi, T., Matsushima, T., Sugimura, T., Kozu, T., Takeuchi, T. & Takemoto, T. Clin, chim. Acta 1974, 54, 137–144.
- Vacíková, Alena. J. Chromatogr. 1972, 69, 349–354.