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;

Antenatal magnesium sulphate and delayed passage of meconium: A multicentre study Javier Toledano Revenga; Ana Peña-Moreno; María Arriaga-Redondo; Elena María Márquez Isidro; Ainhoa Gochi Valdovinos; Dorotea Blanco Bravo; Manuel Sánchez Luna;

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;