Difficulty in raising the arm: Parsonage-Turner syndrome Violeta Martí Enrique; Joaquín López Cruz; José María Olmos García; Fátima Pareja Marín;

The resurgence of acute bronchiolitis cases after the declaration of the end of state of emergency Juan Manuel Rius-Peris; Carlos Marcilla Vázquez; Natalia Molini Menchón; Elena Felipe Almira; Raúl Silvestre Beneyto;

Consequences of COVID-19 pandemic over acute bronchiolitis hospitalizations in the center and east of Spain Juan Manuel Rius-Peris; Jesús Lucas-García; Mónica García-Peris; Pascual Escrivá Tomás; José Miguel Sequí-Canet; Javier González de Dios;