Huxtable R J, Johnson P, Lippincott S E
Can J Neurol Sci. 1984 Nov;11(4 Suppl):616-9. doi: 10.1017/s0317167100035150.
Free amino acid levels and zinc, magnesium and calcium content have been determined in autopsy samples of 9 areas of the brain, two skeletal muscles, and the right ventricle, left ventricle and septum of the heart of a Friedreich's ataxia subject.