Proactive monitoring of anti-TNF agents improves follow-up of paediatric patients with Crohn disease Begoña Rodríguez Azor; Rafael Martín-Masot; Anita Dayaldasani Khialani; Jesús María Fernández-Martín; Carmen Gallego Fernández; Víctor Manuel Navas-López;

Laboratory determination of thiopurine levels in paediatric patients with inflammatory bowel disease Rafael Martín-Masot; María Pilar Ortiz Pérez; Natalia Ramos Rueda; Juliana Serrano Nieto; Javier Blasco-Alonso; Víctor Manuel Navas-López;

Management of Helicobacter pylori infection in the pediatric age Gonzalo Galicia Poblet; Teresa Alarcón Cavero; Natalia Alonso Pérez; Belén Borrell Martínez; Gonzalo Botija Arcos; Maria Luz Cilleruelo Pascual; Leticia María González Martín; Anselmo Hernández Hernández; Beatriz Martínez Escribano; Xenia Ortola Castells; Jana Rizo Pascual; Pedro Urruzuno Tellería; Ana María Vegas Álvarez;