APA (7th ed.) Citation

Backman, H., Vanfleteren, L., Lindberg, A., Ekerljung, L., Stridsman, C., Axelsson, M., . . . Lundbäck, B. (2020). Decreased COPD prevalence in Sweden after decades of decrease in smoking. Respiratory Research, 21(1), .

Chicago Style (17th ed.) Citation

Backman, Helena, et al. "Decreased COPD Prevalence in Sweden After Decades of Decrease in Smoking." Respiratory Research 21, no. 1 (2020).

MLA (9th ed.) Citation

Backman, Helena, et al. "Decreased COPD Prevalence in Sweden After Decades of Decrease in Smoking." Respiratory Research, vol. 21, no. 1, 2020.