Penrose, L. S. <br/><br/>
A clinical and genetic study of 1280 cases of mental defect, 
by L. S. Penrose. 
 - London,  H. M. Stationery off.,  1938. 
 - 1 p. l., 159 p.  ill. 
<br/><br/> At head of title: ...  Privy council.  Medical research council. 
<br/><br/>"List of references": p. 71-73; "List of publications from the Research department, Royal eastern counties' institution, Colchester": p. 74-75. 
<br/><br/><label>LCCN: </label>sg 38000048  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation--Case studies.
<br/><br/><label>LC Class. No.: </label>RC602  / .P43 
<br/><br/><label>National Library of Medicine Call No.: </label>W1  / ME449 no.229