@article {spargias2009effect,
	title = {Effect of balloon valvuloplasty in patients with severe aortic stenosis on levels of N-terminal pro-B-type natriuretic peptide},
	journal = {The American journal of cardiology},
	volume = {104},
	number = {6},
	year = {2009},
	pages = {846{\textendash}849},
	publisher = {Excerpta Medica},
	author = {Spargias, Konstantinos and Alexopoulos, Elias and Thomopoulou, Sofia and Dimopoulos, Antonis and Manginas, Athanasios and Pavlides, Gregory and Voudris, Vassilis and Karatassakis, George and Athanassopoulos, George and Cokkinos, Dennis V}
}
