APA

Wu K., Shih H., Hung M., Hsiao C. & Chen Y. (20190528). The association between blood urea nitrogen to creatinine ratio and mortality in patients with upper gastrointestinal bleeding. : Arab journal of gastroenterology : the official publication of the Pan-Arab Association of Gastroenterology.

Chicago

Wu Kai-Hsiang, Shih Hsin-An, Hung Ming-Szu, Hsiao Cheng-Ting and Chen Yi-Chuan. 20190528. The association between blood urea nitrogen to creatinine ratio and mortality in patients with upper gastrointestinal bleeding. : Arab journal of gastroenterology : the official publication of the Pan-Arab Association of Gastroenterology.

Harvard

Wu K., Shih H., Hung M., Hsiao C. and Chen Y. (20190528). The association between blood urea nitrogen to creatinine ratio and mortality in patients with upper gastrointestinal bleeding. : Arab journal of gastroenterology : the official publication of the Pan-Arab Association of Gastroenterology.

MLA

Wu Kai-Hsiang, Shih Hsin-An, Hung Ming-Szu, Hsiao Cheng-Ting and Chen Yi-Chuan. The association between blood urea nitrogen to creatinine ratio and mortality in patients with upper gastrointestinal bleeding. : Arab journal of gastroenterology : the official publication of the Pan-Arab Association of Gastroenterology. 20190528.