Medical subject heading. 

 - 1st ed. 
 - Washington :  U.S. Department of Health, Education and Welfare,  1960. 
 - 356 p. ;  26 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliotecología<br/>Encabezamientos de materia<br/>Indización<br/>Medicina
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>025.43