REFERENCES
- Brien, G. Bick, C. 1977. Allopurinol in the recurrence prevention of calcium oxalate lithiasis. Eur Urol 3, 35.
- Chasson, A. L., Grady, H. J. & Stanley, M. A. 1961. Determination of creatinine by means of automatic chemical analyses. Am J Clin Pathol 35, 83.
- Coe, F. L. & Raisen, L. 1973. Allopurinol treatment of uric-acid disorders in calcium-stone formers. Lancet I, 129 (preliminary communication).
- Coe, F. L. & Kavalach, A. G. 1974. Hypercalciuria and hyperuricosuria in patients with calcium nephrolithiasis. N Engl Med 291, 1344.
- Coe, F. L. 1977. Treated and untreated recurrent calcium nephrolithiasis in patients with idiopathic hypercalciuria, hyperuricosuria or no metabolic disorder. Ann Intern Med 87, 404.
- Garke, P. & Terhorst, B. 1974. Renale Elektrolytveränderungen durch Allopurinol. Urol Ausg A 13, 166.
- Hansen, J. L. & Freier, E. F. 1967. The measurement of serum magnesium by atomic absorption spectrophotometry. Am J Med Technol 33, 158.
- Hodgkinson, A. 1974. Relations between oxalic acid, calcium, magnesium and creatinine excretion in normal men and male patients with calcium oxalate kidney stones. Clin Sci Mol Med 46, 357.
- Hodgkinson, A. & Williams, A. 1972. An improved colorimetric procedure for urine oxalate. Clin Chim Acta 36, 127.
- Kageyama, N. 1971. A direct colorimetric determination of uric acid in serum and urine with uricase-catalase system. Clin Chim Acta 31, 421.
- Kallistratos, G. 1974. Physicochemical principles and clinical results concerning the conservative treatment of kidney stones. Urol Int 29, 93.
- King, J. S., Jr & Wainer, A. 1968. Glyoxalate metabolism in normal and stone-forming humans and the effect of allopurinol therapy. Proc Soc Biol Med 128, 1162.
- Pak, C. Y. C. & Arnold, L. H. 1975. Heterogeneous nucleation of calcium oxalate by seeds of monosodium urate. Proc Soc Exp Biol Med 149, 930.
- Pak, C. Y. C., Hayashi, Y. & Arnold, L. H. 1976. Heterogeneous nucleation between urate, calcium phosphate and calcium oxalate. Proc Soc Exp Biol Med 153, 83.
- Robertson, W. G., Gallagher, J. C., Marshall, D. H., Peacock, M. & Nordin, B. E. C. 1974. Seasonal variations in urinary excretion of calcium. Br Med J 4, 436.
- Robertson, W. G., Knowles, F. & Peacock, M. 1976. Urinary acid mucopolysaccharide inhibitors of calcium oxalate crystallization. In Urolithiasis research (ed. Fleisch, Robertson, Smith & Vahlensieck), pp. 331–334. Plenum Press, New York.
- Smith, M. J. V. & Boyce, W. H. 1969. Allopurinol and urolithiasis. J Urol 101, 750.
- Smith, M. J. V., Hunt, L. D., King, J. S., Jr & Boyce, W. H. 1969. Uricemia and urolithiasis. J Urol 102, 637.
- Smith, M. J. V. 1977. Placebo versus allopurinol for renal calculi. J Urol 117, 690.
- Tiselius, H.-G. 1977. Excretion of 4-pyridoxic acid and oxalic acid in patients with urinary calculi. Invest Urol 15, 5.
- Tiselius, H.-G., Almgård, L. E., Larsson, L. & Sörbo, B. 1978. A biochemical basis for grouping of patients with urolithiasis. Eur J Urol 4, 241.
- Trudeau, D. L. & Freier, E. F. 1967. Determination of calcium in urine and serum by atomic absorption spectrophotometry. Clin Chin Acta 13, 102.
- Vabusek, M. 1976. Prevention of urinary calculi in hyperuricemia and gout. In Urolithiasis research (ed. Fleisch, Robertson, Smith & Vahlensieck), pp. 565–568. Plenum Press, New York.