Vélez de Pérez, Mercedes. <br/><br/>
Mental retardation in Puerto Rico: knowledge, beliefs, and attitudes. 
[Translator: María Mercedes Carazo de Díaz. 
 - San Juan  1967] 
 - iv, 76 p.  29 cm. 
<br/><br/> At head of title: University of Puerto Rico, School of Medicine, Department of Preventive Medicine & Public Health, Basic Sample of Health & Welfare.  Cover title. 
<br/><br/>Bibliography: p. 61. 
<br/><br/><label>LCCN: </label>68064688 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental Retardation--Public opinion.--Puerto Rico
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico
<br/><br/><label>LC Class. No.: </label>RC570  / .V4413 
<br/><br/><label>Dewey Class. No.: </label>301.15/43/3623097295