Colombian experience with the use of tofacitinib in severe acute ulcerative colitis: A case series study Viviana Parra-Izquierdo; Juan Sebastián Frías-Ordoñez; Fabián Juliao-Baños; Carlos Cuadros; Consuelo Romero Sanchez; Cristian Flórez-Sarmiento;

Pharmacology and safety of tofacitinib in ulcerative colitis Antonio López-Sanromán; Juan V. Esplugues; Eugeni Domènech;

Combination of granulocyte¿monocyte apheresis and tofacitinib: Multicentre and retrospective study Iago Rodríguez-Lago; Fiorella Cañete; Elena Guerra-del-Río; Claudia Herrera-deGuise; Eva Iglesias; Eduardo Leo; Yamile Zabana; Manuel Barreiro-de Acosta; Daniel Ginard; José Luis Cabriada;