Threats to optimal development : integrating biological, psychological, and social risk factors 
edited by Charles A. Nelson 
 - Hillsdale, N.J  L. Erlbaum Associates  1994 
 - xvi, 352 p. ; 23 cm. 
<br/><br/> Includes bibliographical references (p. 319-325) and indexes 
<br/><br/><label>ISBN: </label>9780805815108 
<br/><br/><label>ISSN: </label>94013213 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child Development - congresses<br/>Developmentally disabled - Congresses
<br/><br/><label>Dewey Class. No.: </label>305.231 NEL