Continuous positive airway pressure increases heart rate variability in congestive heart failure.

MLA

Butler, G. C., et al. “Continuous Positive Airway Pressure Increases Heart Rate Variability in Congestive Heart Failure.” Journal of the American College of Cardiology, vol. 25, no. 3, Mar. 1995, pp. 672–79. EBSCOhost, https://doi.org/10.1016/0735-1097(94)00427-R.

APA

Butler, G. C., Naughton, M. T., Rahman, M. A., Bradley, T. D., & Floras, J. S. (1995). Continuous positive airway pressure increases heart rate variability in congestive heart failure. Journal of the American College of Cardiology, 25(3), 672–679. https://doi.org/10.1016/0735-1097(94)00427-R

Chicago

Butler, G C, M T Naughton, M A Rahman, T D Bradley, and J S Floras. 1995. “Continuous Positive Airway Pressure Increases Heart Rate Variability in Congestive Heart Failure.” Journal of the American College of Cardiology 25 (3): 672–79. doi:10.1016/0735-1097(94)00427-R.