Mata, Leonardo  <br/><br/>
HIV AIDS in Costa Rica: epidemiological and sociological features, 1993 / 
University of Costa Rica. Instituto of Investigations in Health. Section of Infection/Nutrition  
 - Guadalupe:   UCR  
 - pp. 53-63   **no definido**   fonodiscos  
<br/><br/> Separata de Cellurar and Molecular Biology, vol. 41, n° 1: suppl  
<br/><br/><label>Subjects--Topical Terms: </label><br/>SIDA <br/>EPIDEMOLOGIA <br/>PREVENCION DEL SIDA <br/>COMPORTAMIENTO SEXUAL <br/>COSTA RICA