Universidad de Aconcagua – Sistema de Bibliotecas:
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<br/>The merck manual :  of diagnosis and therapy / 
Editor in chief Robert Berkow ; editorial board Donald C. Bondy ... [et al.] 
 - 14th ed. 
 - Rahway, EE.UU. :  Merck & Co.,  1982. 
 - xxviii, 2578 p.