Berthold Halpern

The identification of 3-keto-2-methylvaleric acid and 3-hydroxy-2-methylvaleric acid in a patient with propionic acidemia.

J Hammond, D. Danks, J. Hammond, 1979, Biomedical mass spectrometry.

Abnormal deoxyribose metabolites in the urine of a child with a possible new inborn error of metabolism.

J Hammond, R. Cotton, D. Danks, 1979, Biomedical mass spectrometry.