Pyoderma gangrenosum solved by ustekinumab therapy José López González; Marta Lázaro Sáez; Isabel Moreno Moraleda; Álvaro Hernández Martínez;

Metastatic Crohn¿s disease with splenic affectation: A very rare case Eugenia Navarro Moreno; José López González; Marta Lázaro Sáez;

Ustekinumab for prevention of postoperative recurrence: Our clinical experience Samia Hallouch Toutouh; Marta Lázaro Sáez; Álvaro Hernández Martínez;