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2. Congenital lysine intolerance with periodic ammonia intoxication: a defect in L-lysine degradation;Colombo, J.P.; Burgi, W.; Richterich, R.; Rossi, E.;Metabolism,1967
3. Urea cycle enzymes in the developing human fetus;Colombo, J.P.; Burgi, W.; Richterich, R.; Rossi, E.; Richterich, R.;Enzym. biol. Clin,1968
4. Periodischer stupor und Ammoniakintoxikation bei einem Kind mit anikterischer, subakuter Hepatitis;Colombo, J.P.; Burgi, W.; Richterich, R.; Rossi, E.; Richterich, R.; Ungari, S.; Ferrazzini, F.; Richterich, R.; Rossi, E.;Helv. paediat. Acta,1967
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