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3. L-lysine dehydrogenase deficiency in a patient with congenital lysine intolerance;Burgi, W.; Richterich, R.; Colombo, J.P.;Nature (Lond.),1966
4. Congenital lysine intolerance with periodic ammonia intoxication: a defect in L-lysine degradation;Colombo, J.P.; Burgi, W.; Richterich, R.; Rossi, E.;Metabolism,1967
5. The estimation of plasma ammonia by ion exchange;Fenton, J.C.B.;Clin. chim. Acta,1962