Prevalence and bidirectional association between primary sclerosing cholangitis and Crohn's disease: A systematic review and meta-analysis Dongyuan Zheng; Qinke Xu; Jin Wu; Zhouyue Gu; Jieya Chen; Yingchao Liu;

Multiple duodenal diverticula as a rare cause of gastroduodenal bleeding Sara Martínez Delgado; Alejandro Mínguez Sabater; Pablo Ladrón Abia; Noelia Alonso Lázaro;

Skin injuries associated with biological therapy in inflammatory bowel disease: Beyond psoriasis Alejandro Mínguez Sabater; Sara Martínez Delgado; Pablo Ladrón Abia; Guillermo Bastida;