Penrose L. S., Smith  G. F., Down J. Langdon <br/><br/>
Down's Anomaly   

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 - London  J. and A. Churchill  1966 
 - 218 p.  25 cm. 
 -   .
<br/><br/>  Originally authored by: J. Langdon Down 
<br/><br/>  Down Syndrome, Mental Retardation 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental Retardation<br/>Down Syndrome
<br/><br/><label>Dewey Class. No.: </label>WM300  / PEN