Using an image-extended relational database to support content-based image retrieval in a PACS - Traina Junior, Caetano; Traina, Agma Juci Machado; Araujo, Myrian Renata Barros; Bueno, Josiane Maria; Chino, Fabio Jun Takada; Razente, Humberto Luiz; Azevedo-Marques, Paulo Mazzoncini de (Computer Methods and Programs in Biomedicine, 2005)