Shryock. Haroldo <br/><br/>
Salud y eficiencia / Haroldo Shryock 

 - 6a. ed. 
 - México : Interamericana, 1971 
 - 358 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Salud - Ciencia
<br/><br/><label>Dewey Class. No.: </label>613 SH53s 1971.