Bobadilla, José Luis, Searching for essential health services in low -and middle- income countries : a review of recent studies on health priorities / José Luis Bobadilla. - 53 páginas ´June 1998´ ´Policy Background Study´ Bibliografía Subjects--Corporate Names: Banco Interamericano de Desarrollo. Subjects--Topical Terms: Salud pública--Investigaciones--Regiones subdesarrolladas. Dewey Class. No.: 361.25 / B663s 1998