Cognitive content-specificity for anxiety and depression :   a meta-analysis /  
Richard Beck and T. Scott Perkins 
 - New York 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANSIEDAD<br/>DEPRESION<br/>EMOCIONES<br/>ESTILO ATRIBUCIONAL<br/>ESTILO COGNITIVO<br/>METAANALISIS