Chinn, Philip C.,  1937- <br/><br/>
Mental retardation :  a life cycle approach / 
by Philip C. Chinn, Clifford J. Drew, Don R. Logan 
 - St. Louis :  Mosby,  1975 
 - 219 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0801609607 
<br/><br/><label>LCCN: </label>74-020828 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mentally handicapped