Ufoaroh CU, Ele PU, Anyabolu AE, Enemuo EH, Emegoakor CD, Okoli CC, Umeh EO, Anyabolu EN. Pre-operative Pulmonary Assessment and Risk Factors for Post-operative Pulmonary Complications in Elective Abdominal Surgery in Nigeria. erms-v4 [Internet]. 28Apr.2020 [cited 19Jun.2026];:28-2. Available from: https://stm1.bookpi.org/index.php/erms-v4/article/view/1263