Kearns-Sayre syndrome "plus": classical clinical findings and dystonia - Marie, Suely Kazue Nagahashi; Carvalho, Alzira A. S.; Fonseca, Luiz Fernando; Carvalho, Mary S.; Reed, Umbertina Conti; Scaff, Milberto (Arquivos de Neuro-Psiquiatria, 1999)