High frequency of autistic traits in Williams-Beuren patients - Nunes, Michele Moreira; Honjo, Rachel Sayuri; LelisDutra, Roberta; Assumpção Junior, Francisco Baptista; Amaral, Vera Alice Alcântara dos Santos; Hong Keun Oh; Bertola, Débora Romeo; Chong, Ae Kim (Pediatria São Paulo, 2011)