Vaccination in pregnancy. Consensus document of the CAV-AEP and the SEGO Javier Álvarez Aldeán; Francisco José Álvarez García; Maria de la Calle Fernández-Miranda; Tatiana Figueras Falcón; Antonio Iofrío de Arce; Marta López Rojano; Irene Rivero Calle; Anna Suy Franch;

Clinical characteristics and mortality risk factors in patients aged less than 18 years with COVID-19 in Mexico and Mexico City Rosa María Wong-Chew; Daniel Ernesto Noyola; Antonio Rafael Villa;

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;