Management of primary immune thrombocytopenia. A comparison between two historical cohorts Sandra Fernández-Plaza; Jesús González de Pablo; Eva Gálvez; Josune Zubicaray; Julián Sevilla; Elena Sebastián;

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;

Recommendations for transfusion of blood products in neonatology Hector Boix; María Dolores Sánchez-Redondo; María Cernada; María Gracia Espinosa Fernández; Noelia González-Pacheco; Ana Martín; Alejandro Pérez-Muñuzuri; María L. Couce;