APA (7th ed.) Citation

Bell, M., Lindeberg, F. C. B., Larsson, E., & Hallqvist, L. New prolonged opioid consumption after major surgery in Sweden: A population-based retrospective cohort study. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Bell, Max, Felix C B. Lindeberg, Emma Larsson, and Linn Hallqvist. New Prolonged Opioid Consumption After Major Surgery in Sweden: A Population-based Retrospective Cohort Study. BMJ Publishing Group.

MLA (9th ed.) Citation

Bell, Max, et al. New Prolonged Opioid Consumption After Major Surgery in Sweden: A Population-based Retrospective Cohort Study. BMJ Publishing Group.

Warning: These citations may not always be 100% accurate.