@article {stefanadis1998long,
	title = {Long-term (9-year) follow-up of patients undergoing retrograde nontransseptal balloon mitral valvuloplasty},
	journal = {Journal of the American College of Cardiology},
	volume = {31},
	number = {2SA},
	year = {1998},
	pages = {75A{\textendash}75A},
	publisher = {Elsevier Science Publishing Company, Inc.},
	author = {Stefanadis, CC and Stratos, CG and Lambrou, SG and Bahl, VK and Cokkinos, D.V. and Voudris, VA and Foussas, SG and Tsioufis, CP and Toutouzas, PK}
}
