Transition to competent oral feeding in preterm infants: Analyzing timing and determinants Gabriela Bolea Muguruza; Cristina de Frutos Martínez; M. Teresa Tamayo Martínez; Judith Martín Corral;

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;