F. A. Dias, R. P. Munhoz, S. Raskin, L. C. Werneck, and H. A. G. Teive, “ Tremor in X-linked recessive spinal and bulbar muscular atrophy (Kennedy’s disease) ”, Clinics, vol. 66, no. 6, pp. 955–957, Jan. 2011, doi: 10.1590/S1807-59322011000600006.