Gaya APA

al.], Y, S, [. (2015). Efficacy and safety of tumor necrosis factor-a blockers for ulcerative colitis: A systematic review and meta-analysis of published randomized controlled trials . : Elsevier Taiwan.

Gaya MLA

al.], Yun-Na, Song, [et. "Efficacy and safety of tumor necrosis factor-a blockers for ulcerative colitis: A systematic review and meta-analysis of published randomized controlled trials". : Elsevier Taiwan, 2015. e-journal.