Time to diagnosis in paediatric inflammatory bowel disease: Key points for an early diagnosis Javier Martín-de-Carpi; Santiago Jiménez Treviño; Gemma Pujol Muncunill; Rafael Martín-Masot; Víctor Manuel Navas-López;

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;