Qumseya, B. J., Jamil, L. H., Elmunzer, B. J., Riaz, A., Ceppa, E. P., Thosani, N. C., . . . Wani, S. (2021). ASGE guideline on the role of endoscopy in the management of malignant hilar obstruction. Gastrointestinal endoscopy, 94(2), 222-234.e22. https://doi.org/10.1016/j.gie.2020.12.035
Chicago Style (17th ed.) CitationQumseya, Bashar J., et al. "ASGE Guideline on the Role of Endoscopy in the Management of Malignant Hilar Obstruction." Gastrointestinal Endoscopy 94, no. 2 (2021): 222-234.e22. https://doi.org/10.1016/j.gie.2020.12.035.
MLA (9th ed.) CitationQumseya, Bashar J., et al. "ASGE Guideline on the Role of Endoscopy in the Management of Malignant Hilar Obstruction." Gastrointestinal Endoscopy, vol. 94, no. 2, 2021, pp. 222-234.e22, https://doi.org/10.1016/j.gie.2020.12.035.