Cardiac dysfunction exacerbated by endocrinopathies in Friedreich ataxia: a case series.
Snyder M, Seyer L, Lynch DR, Resnick A, Zesiewicz TA. Cardiac dysfunction exacerbated by endocrinopathies in Friedreich ataxia: a case series. J Child Neurol. 2012 Oct; 27(10):1316-9.