APA (7th ed.) Citation

HC, H., G, C., BD, K., & PD, M. (2000). Hemodynamic effects of sildenafil in men with severe coronary artery disease. New England Journal of Medicine, 342(22), 1622.

Chicago Style (17th ed.) Citation

HC, Herrmann, Chang G, Klugherz BD, and Mahoney PD. "Hemodynamic Effects of Sildenafil in Men with Severe Coronary Artery Disease." New England Journal of Medicine 342, no. 22 (2000): 1622.

MLA (9th ed.) Citation

HC, Herrmann, et al. "Hemodynamic Effects of Sildenafil in Men with Severe Coronary Artery Disease." New England Journal of Medicine, vol. 342, no. 22, 2000, p. 1622.

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