Preterm birth and psychological development  Psychological and concepts/ 
Sarah L. Friedman 
 - New York  Academic Press  1981 
 - xviii,438p.:  ill.;  23cm. 
<br/><br/><label>ISBN: </label>012267880x 
<br/><br/><label>LC Class. No.: </label>DUCE BF720.P7P3