COVID-19 clinical features in primary care: COVIDPAP study Marta Carballal-Mariño; Josep Vicent Balaguer-Martínez; César García-Vera; Beatriz Morillo-Gutierrez; Begoña Domínguez-Aurrecoechea; Rafael Jimenez-Alés; Ana Gallego-Iborra; Cristina Cañavate-González; Edurne Ciriza-Barea;

Pediatric research in Spain: Challenges and opportunities Laura Moreno-Galarraga; Cesar Gracía Vera; Irene Rivero-Calle; Federico Martinón-Torres; Ignacio Diez López; Fernando Cabañas; Cristina Calvo;

Congenital lung malformations: Do preoperative symptoms have an impact in surgical outcomes? María López-Díaz; Ester Fernández Díez; Indalecio Cano Novillo; Elena Bergón; Rocío Morante Valverde; Alberto Galindo Izquierdo; Juan L. Antón-Pacheco;