Mental retardation : an annual review /  
edited by Joseph Wortis 
 - New York :   Grune & Stratton,  1970 
 - v 
<br/><br/> Incluye bibliografía e índice  En btca v. 2 
<br/><br/><label>ISBN: </label>0808906585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Retardo mental<br/>Neuropsiquitría
<br/><br/><label>Dewey Class. No.: </label>616.8588 M549