“INCIDENCE OF POST OPERATIVE PULMONARY COMPLICATIONS IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE UNDERGOING SPINE SURGERY UNDER GENERAL ANAESTHESIA: LUNG PROTECTIVE VENTILATION VS STANDARD MECHANICAL VENTILATION”. 2025. Frontier in Medical and Health Research 3 (4): 1035-45. https://fmhr.net/index.php/fmhr/article/view/1515.