Epidemiological characteristic and prognosis changes in chronic hepatitis B in people living with HIV Julia Vásquez Manau; Cristina Marcelo Calvo; Alejandro De Gea Grela; Luis Ramos Ruperto; Lucía Serrano; Carmen Busca Arenzana; Rafael Micán; Rosa de Miguel Buckley; Rocío Montejano Sanchez; Ignacio Bernardino; María Eulalia Valencia; Victoria Moreno; María Luisa Montes; Jose Ramón Arribas; Juan González; Luz Martín-Carbonero;

Infective endocarditis in paediatric patients from Andalusia (Spain), 2008¿2020 Walter Alfredo Goycochea-Valdivia; Marta Aboza-García; Reyes Moreno-Pérez de Tudela; Begoña Carazo-Gallego; Elena Roldan-Tormo; Beatriz Ruiz-Sáez; Álvaro Vázquez-Pérez; Estrella Peromingo-Matute; Borja Croche-Santander; Pablo Obando-Pacheco; Ignacio Obando-Santaella;

Epidemiology of pediatric parapneumonic pleural effusion during 13-valent pneumococcal conjugate vaccine implementation Luis Moral; Teresa Toral; Nuria Marco; Agustín Clavijo; Francisco Canals; María José Forniés; María Cristina González; Jorge Moral; Marta Márquez; Raquel Lucas; María Caballero; Ana María Huertas; Belén García-Avilés; Mónica Belda;