Frenk J. [et al.] <br/><br/>
Patterns of medical employment: a survey of imbalances in urban Mexico /  (Artículo) 
Julio Frenk, Javier Alagon, Gustavo Nigenda, Alejandro Munoz-del Rio, Cecilia  Robledo, Luis A. Vázquez-Segovia, Catalin Ramírez-Cuadra 
<br/><br/> En: Am J Public Health -- 1991 Jan;81(1):23-9 
<br/><br/><label>Dewey Class. No.: </label>A0056