ARANGO JUAN IGNACIO 291,247 Essential drugs in the new socioeconomic context of Latin America and the Caribbean : principles and strategies / [prep. by Juan Ignacio Arango et al. ; ed. by Enrique Fefer, German Velasquez]. - Washington : Pan American Health Organization, 1995. - V, 13, [3] s. ; 26 cm Na s. tyt. : Development and strengthening of local health systems in transformation of national health systems ISBN 92-75-12159-1