Ingalls, Robert P. <br/><br/>
Mental retardation:    the changing outlook / 
Robert P. Ingalis 
 - xiv, 491 pages ;  cm 
<br/><br/><label>ISBN: </label>0471427160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellectual disability
<br/><br/><label>Dewey Class. No.: </label>616.8588