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;

Comparative analysis of foetal and neonatal growth curves Josep Figueras-Aloy; Montserrat Izquierdo Renau; Ana Herranz Barbero; Lourdes Urquía Martí; Fermín García-Muñoz Rodrigo; Martín Iriondo-Sanz; Óscar García Algar;

Survey on the practice of skin-to-skin contact in Spanish neonatal units during the first days of life. Influence of the presence of umbilical catheters Alicia Montaner-Ramón; Laura Merayo Fernández; Inmaculada Cosmo García; Elena Carrillo Messa; Fátima Camba Longueira;