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article_metadata: 10.1177/1756284820954112
article_metadata: Therap Adv Gastroenterol
article_metadata: 2020 Oct 10;13:1756284820954112.
article_metadata: cyclosporin trough levels ulcerative colitis ustekinumab
article_metadata: CC BY-NC
article_metadata: https://pubmed.ncbi.nlm.nih.gov/33101457/
article_metadata: Case Reports
article_metadata: PMC7550934
article_metadata: 33101457
article_metadata: Successful cyclosporin and ustekinumab combination therapy in a patient with severe steroid-refractory ulcerative colitis
article_metadata: 2020