Wagstaff, Adam <br/><br/>
On decomposing the causes of health sector inequalities with an application to malnutrition inequalities in Vietnam 
by Adam Wagstaff, Eddy van Doorslaer and Naoko Watanabe 
 - Washington, D.C.  World Bank  2001 
 - 19p. 
 - Policy research working paper 2714 .