APA (7th ed.) Citation

Knowlton, K. U., Horne, B. D., Heidenreich, P. A., Krishnan, G., Boralkar, K. A., Kobayashi, Y., . . . Haddad, F. (2019, May). Improving risk stratification in heart failure with preserved ejection fraction by combining two validated risk scores. Open Heart.

Chicago Style (17th ed.) Citation

Knowlton, Kirk U., et al. "Improving Risk Stratification in Heart Failure with Preserved Ejection Fraction by Combining Two Validated Risk Scores." Open Heart May. 2019.

MLA (9th ed.) Citation

Knowlton, Kirk U., et al. "Improving Risk Stratification in Heart Failure with Preserved Ejection Fraction by Combining Two Validated Risk Scores." Open Heart, May. 2019.