Alrefaee, J., جنان, McMillan, D., دونالد, Carter, R., روجر, Nally, J., & جین. (2025). The Relationship between Cardiopulmonary Exercise testing (CPET), other Related Factors and Outcomes in Patients Undergoing Major Upper Gastrointestinal Surgery. Annals of the College of Medicine, Mosul, 41(1), 1–10. https://doi.org/10.33899/mmed.2019.161246