Ruelas E. [et al.] <br/><br/>
Framework for the analysis of quality assurance in transition: the case of Mexico /  (Artículo) 
E. Ruelas, Julio Frenk 
<br/><br/> En: Aust Clin Rev -- 1989;9(1):9-16 
<br/><br/><label>Dewey Class. No.: </label>A0064