Gordon, M. S., Ewy, G. A., Felner, J. M., Forker, A. D., Gessner, I., McGuire, C., … Waugh, R. A. (1980). Teaching bedside cardiologic examination skills using "Harvey", the cardiology patient simulator. Med Clin North Am, 64(2), 305–313. https://doi.org/10.1016/s0025-7125(16)31620-0

Gordon, M. S., G. A. Ewy, J. M. Felner, A. D. Forker, I. Gessner, C. McGuire, J. W. Mayer, D. Patterson, A. Sajid, and R. A. Waugh. “Teaching bedside cardiologic examination skills using "Harvey", the cardiology patient simulator.” Med Clin North Am 64, no. 2 (March 1980): 305–13. https://doi.org/10.1016/s0025-7125(16)31620-0.

Gordon MS, Ewy GA, Felner JM, Forker AD, Gessner I, McGuire C, et al. Teaching bedside cardiologic examination skills using "Harvey", the cardiology patient simulator. Med Clin North Am. 1980 Mar;64(2):305–13.

Gordon, M. S., et al. “Teaching bedside cardiologic examination skills using "Harvey", the cardiology patient simulator.” Med Clin North Am, vol. 64, no. 2, Mar. 1980, pp. 305–13. Pubmed, doi:10.1016/s0025-7125(16)31620-0.

Gordon MS, Ewy GA, Felner JM, Forker AD, Gessner I, McGuire C, Mayer JW, Patterson D, Sajid A, Waugh RA. Teaching bedside cardiologic examination skills using "Harvey", the cardiology patient simulator. Med Clin North Am. 1980 Mar;64(2):305–313.