Sengupta, S., Mukherjee, M., Dasgupta, P., Chatterjee, S., & Bhattacharya, D. . (2022). Incidence of perioperative respiratory complications in patients undergoing elective open upper abdominal surgery under general anaesthesia: Smokers versus non-smokers - An observational study. Asian Journal of Medical Sciences, 13(3), 76–82. Retrieved from https://nepjol.info/index.php/AJMS/article/view/41829