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;

Nutritional status in patients with protein metabolism disorders. Case-control study Isidro Robredo García; Paula Grattarola; Patricia Correcher Medina; Fátima Abu-Sharif Bohigas; Verónica Vélez García; Isidro Vitoria Miñana; Cecilia Martínez Costa;

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;