@article {stefanadis1998retrograde,
	title = {Retrograde nontransseptal balloon mitral valvuloplasty: immediate results and intermediate long-term outcome in 441 cases{\textemdash}a multicenter experience},
	journal = {Journal of the American College of Cardiology},
	volume = {32},
	number = {4},
	year = {1998},
	pages = {1009{\textendash}1016},
	publisher = {Journal of the American College of Cardiology},
	author = {Stefanadis, Christodoulos I and Stratos, Costas G and Lambrou, Spyros G and Bahl, Vinay Kumar and Cokkinos, Dennis V and Voudris, Vassilios A and Foussas, Stefanos G and Tsioufis, Costas P and Toutouzas, Pavlos K}
}
