The influence of parenteral protein intake on electrolyte disturbances in premature infants Carlos Javier Parramón-Teixidó; Laura Gómez-Ganda; Beatriz Garcia-Palop; Marcos Linés-Palazón; Albert Blanco-Grau; Jose Bruno Montoro-Ronsano; Susana Clemente-Bautista;

Epidemiological difference could explain the higher infant mortality in Chile compared with Cuba Enrique Donoso; Jorge A. Carvajal;