APA

Fernández-Bañares F., Bertrán X., Esteve-Comas M., Cabré E., Menacho M., Humbert P., Planas R. & Gassull M. A. (19970110). Azathioprine is useful in maintaining long-term remission induced by intravenous cyclosporine in steroid-refractory severe ulcerative colitis. : The American journal of gastroenterology.

Chicago

Fernández-Bañares F, Bertrán X, Esteve-Comas M, Cabré E, Menacho M, Humbert P, Planas R and Gassull M A. 19970110. Azathioprine is useful in maintaining long-term remission induced by intravenous cyclosporine in steroid-refractory severe ulcerative colitis. : The American journal of gastroenterology.

Harvard

Fernández-Bañares F., Bertrán X., Esteve-Comas M., Cabré E., Menacho M., Humbert P., Planas R. and Gassull M. A. (19970110). Azathioprine is useful in maintaining long-term remission induced by intravenous cyclosporine in steroid-refractory severe ulcerative colitis. : The American journal of gastroenterology.

MLA

Fernández-Bañares F, Bertrán X, Esteve-Comas M, Cabré E, Menacho M, Humbert P, Planas R and Gassull M A. Azathioprine is useful in maintaining long-term remission induced by intravenous cyclosporine in steroid-refractory severe ulcerative colitis. : The American journal of gastroenterology. 19970110.