Care levels in neonatal units in Spain: an updated vision for a new reality Alejandro Pérez-Muñuzuri; Héctor Boix; María Dolores Sánchez-Redondo; María Cernada; María Gracia Espinosa-Fernández; Noelia González-Pacheco; Ana Martín-Ancel; María L. Couce; Manuel Sánchez Luna;

Quality assessment of clinical practice guidelines on hypoxic-ischaemic encephalopathy in newborns using the AGREE II tool: a systematic review Ana Arellano Haro; Ashley Cuzco Macías;

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;