Gao, C., C. Ren, C. Xiao, Y. Wu, G. Wang, G. Liu, and Y. Wang. “Extended Myectomy for Hypertrophic Obstructive Cardiomyopathy”. The Heart Surgery Forum, vol. 15, no. 5, Oct. 2012, pp. E251-E256, doi:10.1532/HSF98.20111185.