Correlations of egen klassifikation and barthel index scores with pulmonary function parameters in Duchenne muscular dystrophy - Brunherotti, Marisa Afonso; Sobreira, Claudia; Rodrigues Júnior, Antonio Luiz; Assis, Marcos Renato de; Terra Filho, João; Martinez, José Antônio Baddini (Heart & Hung : The Journal of Acute and Critical Care, 2007)