<i>In situ</i> quantification of Fe and Zn in the hearts of 15 patients with FA^a and 10 normal controls (XRF).

aAbbreviations: FA, Friedreich ataxia; Fe, iron; LVW, left ventricular wall; RVW, right ventricular wall; VS, ventricular septum; Zn, zinc bResults of Fe and Zn are expressed as mean μg metal/ml tissue volume ± standard deviation. Number of FA patients and normal controls are given in parentheses. cp-values based on statistical comparison by two-tailed t-test at α = 0.05, assuming unequal variances In situ quantification of Fe and Zn in the hearts of 15 patients with FAa and 10 normal controls (XRF).