Epidemiology and risk factors for bronchopulmonary dysplasia in preterm infants born at or less than 32 weeks of gestation Andrea Sucasas Alonso; Sonia Pértega Diaz; Rebeca Sáez Soto; Alejandro Avila-Alvarez;

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;

Accompaniment of minors during health care procedures Verjano Sánchez Felipe; José Antonio Salinas Sanz; Ester Barrios Miras; Inés del Río Pastoriza; Iñigo Noriega Echevarría; María Jesús Alijas Merillas; Francisco Moreno Madrid; María José Peláez Cantero; Juan Pablo García Iñiguez; Isolina Riaño Galán;