Masum, A. et al. 2018. Arterial and end-tidal Carbon Dioxide Tension Changes during Spinal Anaesthesia in Upper Abdominal Laparoscopic Surgeries: A Comparison with General Anaesthesia. Journal of Bangladesh College of Physicians and Surgeons. 37, 1 (Dec. 2018), 13–18. DOI:https://doi.org/10.3329/jbcps.v37i1.39282.