Impact of the use of molecular techniques (PCR) on detection and eradication success against Helicobacter pylori Miguel Gallardo Padilla; José Luis León Falconi; Rafael Sánchez-Nebreda Arias; Carmen Gómez Santos; María del Carmen Muñoz Egea; Enrique la Orden Izquierdo;

Prevalence of psychological symptoms and associated risk factors in a Spanish sample of HIV-positive youth compared to uninfected peers Carlos Velo Higueras; Manuela Martín-Bejarano García; Sara Domínguez-Rodríguez; Beatriz Ruiz Sáez; Isabel Cuéllar-Flores; Cristina García-Navarro; Sara Guillén Martín; José Tomás Ramos Amador; María Luisa Navarro Gómez; María Isabel González-Tomé;

Experience of the national cohort of pregnant women with HIV and their children in Spain: temporal trends in vertical transmission of HIV and associated infections Marta Illán Ramos; Arantxa Berzosa Sánchez; Itziar Carrasco García; Asunción Diaz Franco; Inmaculada Jarrín Vera; Luis Prieto Tato; Rosa Polo Rodríguez; Mª Luisa Navarro Gómez; José Tomás Ramos Amador;