APA (7th ed.) Citation

KL, H., D, B., WX, L., ZR, L., L, F., J, W., . . . Maurer, M. S. (2009). Comparison of ventricular structure and function in Chinese patients with heart failure and ejection fractions >55% versus 40% to 55% versus <40%. American Journal of Cardiology, 103(6), 845. https://doi.org/10.1016/j.amjcard.2008.11.050

Chicago Style (17th ed.) Citation

KL, He, et al. "Comparison of Ventricular Structure and Function in Chinese Patients with Heart Failure and Ejection Fractions >55% Versus 40% to 55% Versus <40%." American Journal of Cardiology 103, no. 6 (2009): 845. https://doi.org/10.1016/j.amjcard.2008.11.050.

MLA (9th ed.) Citation

KL, He, et al. "Comparison of Ventricular Structure and Function in Chinese Patients with Heart Failure and Ejection Fractions >55% Versus 40% to 55% Versus <40%." American Journal of Cardiology, vol. 103, no. 6, 2009, p. 845, https://doi.org/10.1016/j.amjcard.2008.11.050.

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