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3. Cystinuria: the excretion of cystine complex which decomposes in the urine with liberation of free cystine;Brand;J. Biol. Chem.,1930
4. Isovaleric acidemia;Budd;New Eng. J. Med.,1967
5. Commonly used tests in the detection of Hurler’s syndrome;Carter;J. Pediat.,1968