Efficacy and safety of proactive drug monitoring in inflammatory bowel disease treated with anti-TNF agents: A systematic review and meta-analysis

1. Manceñido Marcos, N.
2. Novella Arribas, B.
3. Mora Navarro, G.
4. Rodríguez Salvanés, F.
5. Loeches Belinchón, P.
6. Gisbert, J.P.