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- BookMasciangelo, P. M.; Melandri, R.
- Bookby Anatol Rapoport and Albert M. Chammah. With the collaboration of Carol J. Orwant.Digital Access Full text via HathiTrust, [1965]
- Articlevan Gennip AH, van Noordenburg-Huistra DY, de Bree PK, Wadman SK.Clin Chim Acta. 1978 May 16;86(1):7-20.A method is presented for the two-dimensional thin-layer chromatographic screening of purines, pyrimidines and their nucleosides in the urine. Prior to chromatography, isolation of these substances from the urine is performed by anion-exchange column chromatography. Purines and pyramidines are quantitatively eluted with formic acid 0.01 M and 4 M respectively. The results of recovery and stability experiments are given. Normal excretory patterns are presented. Also results in patients with various diseases are shown: ornithine transcarbamylase deficiency, adenosine deaminase deficiency, purine nucleoside phosphorylase deficiency, adenine phosphoribosyltransferase deficiency, xanthine oxidase deficiency and hypoxanthine-guanine phosphoribosyltransferase deficiency. Finally the pattern of a patient on treatment with allopurinol is given.