The validity and reliability of the CAMDEX-DS for assessing dementia in adults with Down syndrome in Brazil oleh Luciana M. Fonseca, Glenda G. Haddad, Guilherme P. Mattar, Melaine C. de Oliveira, Sharon S. Simon, Laura M. Guilhoto, Geraldo F. Busatto, Shahid Zaman, Anthony J. Holland, Marcelo Q. Hoexter, Cassio M. Bottino