RT Journal Article SR Electronic T1 Tissue atrophy and elevated iron concentration in the extrapyramidal motor system in Friedreich ataxia: the IMAGE-FRDA study JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1261 OP 1263 DO 10.1136/jnnp-2015-312665 VO 87 IS 11 A1 Ian H Harding A1 Parnesh Raniga A1 Martin B Delatycki A1 Monique R Stagnitti A1 Louise A Corben A1 Elsdon Storey A1 Nellie Georgiou-Karistianis A1 Gary F Egan YR 2016 UL http://jnnp.bmj.com/content/87/11/1261.abstract AB