Laine, L., Barkun, A. N., Saltzman, J. R., Martel, M., & Leontiadis, G. I. (2021). ACG Clinical Guideline: Upper Gastrointestinal and Ulcer Bleeding. The American journal of gastroenterology, 116(5), 899-917. https://doi.org/10.14309/ajg.0000000000001245
Citace podle Chicago (17th ed.)Laine, Loren, Alan N. Barkun, John R. Saltzman, Myriam Martel, a Grigorios I. Leontiadis. "ACG Clinical Guideline: Upper Gastrointestinal and Ulcer Bleeding." The American Journal of Gastroenterology 116, no. 5 (2021): 899-917. https://doi.org/10.14309/ajg.0000000000001245.
Citace podle MLA (9th ed.)Laine, Loren, et al. "ACG Clinical Guideline: Upper Gastrointestinal and Ulcer Bleeding." The American Journal of Gastroenterology, vol. 116, no. 5, 2021, pp. 899-917, https://doi.org/10.14309/ajg.0000000000001245.