APA (7th ed.) Citation

Anne Bukten, Marianne Riksheim Stavseth, & Thomas Clasuen. (2019). From restrictive to more liberal: Variations in mortality among patients in opioid maintenance treatment over a 12-year period. BMC.

Chicago Style (17th ed.) Citation

Anne Bukten, Marianne Riksheim Stavseth, and Thomas Clasuen. From Restrictive to More Liberal: Variations in Mortality Among Patients in Opioid Maintenance Treatment over a 12-year Period. BMC, 2019.

MLA (9th ed.) Citation

Anne Bukten, et al. From Restrictive to More Liberal: Variations in Mortality Among Patients in Opioid Maintenance Treatment over a 12-year Period. BMC, 2019.