APA (7th ed.) Citation

Elmasry, A., Lindberg, E., Hedner, J., Janson, C., & Boman, G. (2002). Obstructive sleep apnoea and urine catecholamines in hypertensive males: A population-based study. The European respiratory journal, 19(3), 511-517. https://doi.org/10.1183/09031936.02.00106402

Chicago Style (17th ed.) Citation

Elmasry, A., E. Lindberg, J. Hedner, C. Janson, and G. Boman. "Obstructive Sleep Apnoea and Urine Catecholamines in Hypertensive Males: A Population-based Study." The European Respiratory Journal 19, no. 3 (2002): 511-517. https://doi.org/10.1183/09031936.02.00106402.

MLA (9th ed.) Citation

Elmasry, A., et al. "Obstructive Sleep Apnoea and Urine Catecholamines in Hypertensive Males: A Population-based Study." The European Respiratory Journal, vol. 19, no. 3, 2002, pp. 511-517, https://doi.org/10.1183/09031936.02.00106402.