@article {kallistratos2007n,
	title = {N-terminal prohormone brain natriuretic peptide as a marker for detecting low functional class patients and candidates for cardiac transplantation: linear correlation with exercise tolerance},
	journal = {The Journal of heart and lung transplantation},
	volume = {26},
	number = {5},
	year = {2007},
	pages = {516{\textendash}521},
	publisher = {Elsevier},
	author = {Kallistratos, Manolis S and Dritsas, Athanasios and Laoutaris, Ioannis D and Cokkinos, Dennis V}
}
