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;

Neuroprotective effect of magnesium sulfate in premature infants. Analysis after establishing an antenatal administration protocol in a tertiary care hospital Belén Fernández Monteagudo; Sonia Villar Castro; Paula Carrascosa García; Susana Zeballos Sarrato; 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;