APA (7th ed.) Citation

Al-Naamani, K., Alzadjali, N., Barkun, A. N., & Fallone, C. A. Does Blood Urea Nitrogen Level Predict Severity and High-Risk Endoscopic Lesions in Patients with Nonvariceal Upper Gastrointestinal Bleeding? Wiley.

Chicago Style (17th ed.) Citation

Al-Naamani, Khalid, Nabil Alzadjali, Alan N. Barkun, and Carlo A. Fallone. Does Blood Urea Nitrogen Level Predict Severity and High-Risk Endoscopic Lesions in Patients with Nonvariceal Upper Gastrointestinal Bleeding? Wiley.

MLA (9th ed.) Citation

Al-Naamani, Khalid, et al. Does Blood Urea Nitrogen Level Predict Severity and High-Risk Endoscopic Lesions in Patients with Nonvariceal Upper Gastrointestinal Bleeding? Wiley.

Warning: These citations may not always be 100% accurate.