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;

Evolution of psychomotor development in pre-school children born prematurely Alejandra Victoria Pereira-Cerro; María Dolores Lanzarote-Fernández; María Merced Barbancho-Morant; Eva María Padilla-Muñoz;

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;